Ford c1 axle code. Overview. Dexter, a premier manufacturer and distributor of axles, suspension, brakes, doors, venting products, trailer parts and accessories, and towing components serving …

Motorcraft® Axle Lubricants – Quick Reference Lubricant Applications and Capacities Chart – cont’d. When filling a Limited Slip axle requiring Friction Modifier, always add Friction Modifier first, before filling with the lubricant. [1] Oil refill volume does not include friction modifier. Do not overfill above volumes shown (friction ...

Ford c1 axle code. F250 ford powerstroke 1999 code zf manual axle 3l turbo diesel 2002 c1 truck parts source2002 ford f250 axle code c1 Axle ratiosAxle code 1986 ford f250 b93 trucks. Axle f250Axle ford f250 code c1 2004 source Identification ford axle code chartAxle f150 ratios bullnose garagemahal.

Ford Truck Enthusiasts Forums. Super Duty/Heavy Duty. 1999 to 2016 Super Duty. Axle ratio code "D1" is what. 1999 to 2016 Super Duty 1999 to 2016 Ford F250, F350, F450 and F550 Super Duty with diesel V8 and gas V8 and V10 engines. Sponsored by:

1999 - 2003 7.3L Power Stroke Diesel - Axle code D1 on the door tag. - 02 350 crewcab srw, what can yo utell me about my rear, or front axle?There's no question, the easiest way to identify the axle and …

Ford Truck Enthusiasts Forums. Older, Classic & Antique Trucks. 1987 - 1996 F150 & Larger F-Series Trucks. 1989 E350 axle code C2 = ??? Notices. 1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks.I'm planning on changing out the front and rear differential fluid in my Ranger and I have kind of a noob question. My truck has axle code R7. I've read that the R7 is an 8.8" L/S 4.10 ratio axle. My owner's manual states to add 4 oz of friction modifier XL-3 to the rear diff. for Traction-Lok axles along with 80w-90 fluid.Contact. You are here: Home Tech Articles Front / Rear Differentials Ford Rear Axle Identification - Page 15. ‹ Back to Technical Index. Ford Rear Axle Assembly Identification - Page 15. NOTE: Axle tag location and appearance may vary by application. Code. Application. Ring Gear And Pinion. NL or L.2001 axle code 58. Is there a way to tell if a an axle is a ford 7.5" or or ford 8.8" from the door sticker code? I know it a 2.73 open but I can't find a list that describes the housing for each code. You have an 8.8" axle. The 7.5" …1999-2007 Ford Super Duties. ... Axle Code C1 What do I have? Jump to Latest Follow ... C1 = 3.73 limited slip, F-250/ExcursionRear axles come in two flavors, "open" and "limited-slip." The open rear axle only provides power to one rear wheel. Limited-slip axles transfer power to both wheels, yet allow the...Yukon Master Overhaul Kit 1999-2007 Ford 10.5" Ford 10.5" $ 630.89 2050-01-01. Power Products carries the Yukon Master Overhaul Kit Ford 10.5" Yukon Gear Dana 80 35 Spline Axle Shaft , 40.24" Long , 8 X 4.02" Bolt Pattern Dana 80 35 Spline AXL YUK-YA_D47847-2 19.42 Yukon Gear & Axle YA D47847-2.You should have a C1 code for the axle on your door tag. I'd take a look at your front axle, which is a Dana 50 and labeled better than the Ford axle. The tag is attached to a bolt on the left hand side of the differential cover. The first three numbers are the gear ratio (3.73), followed by a diamond symbol. Reply Like.Oct 9, 2007 · 1947 and Older Ford Trucks; Bronco. 2021+ Bronco; 2021+ Bronco Sport; 1978 - 1996 Big Bronco; 1966 - 1977 Early Broncos; Bronco II; Ford Vans and other vehicles. 2014+ Transit; Transit Connect; 1968-Present E-Series Van/Cutaway/Chassis; Ranchero & 1961 - 1967 Econoline; Nite, Nascar & Other Limited Edition Ford Trucks; Performance, Engines ...

I looked in the Tech folder in this forum, and there are two axle code charts. The first one is in an entry that decodes the entire label, and it says: 41 — 3.73 non-limited slip, F-350 (single rear wheels) Then there's another chart down lower that only lists axle codes, and has less of them. It says. 41- 4.10.Posts: 1,955. Likes: 0. Received 0 Likes on 0 Posts. My 96 Powerstroke had axle code C5, that is like mentioned 4.10:1. I had the zf5 5 speed tranny and 33s. 4th gear in that tranny is 1:1 like your 3rd gear is and I was able to go 60mph in 4th, really high rpm mind you. Something else to think about here.1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - 1984 Axle code Look Up? - Looking to find out if a rear has 28 or 31 splines in it without opening it up first. axle tag is S319D 3L50 9 6J02 and it is out of a 1984 Bronco I believe. I think the code to look up in a factory Service Manual is S319D.1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks. Sponsored by: 1996 F250 4WD Axle Code "C5" ? Reply ... the C5 axle code means you have 4.10 gears, and a limited slip differentail . Reply Like #4 ...

Ford Truck Enthusiasts Forums. Super Duty/Heavy Duty. 1999 to 2016 Super Duty. Rear axle code 37 on door jamb? 1999 to 2016 Super Duty 1999 to 2016 Ford F250, F350, F450 and F550 Super Duty with diesel V8 and gas V8 and V10 engines.

The “3” represents the axle type, while the “L” indicates the presence of a limited slip differential. Example 2: B6. For this example, the axle code corresponds to a Ford truck with a 3.55 axle ratio and a non-limited slip differential. The “B” represents the axle type, and the absence of an “L” indicates a non-limited slip ...

That said, you'll want to get closest to the same net ratio with your new tire size/gear ratio as you currently have with your stock tire size and gear ratio. Otherwise, your speedometer and odometer will both be off going forward. Craig. 2019 Transit, 148" WB, Medium Roof, 3.7L, 3.73 gearing.Axle code, Ratio & type. 8, 2.75 open differential. H ... WDJ-C1 ... 3.50, 35, 10. Tags. 1967 Ford Mustang1967 Ford Mustang Research1967 Mustang Technical Research ...Ford’s F-150 pickup truck is about as American as a vehicle can get. Ford’s F-150 pickup truck is about as American as a vehicle can get. Not only has the iconic truck been the cou...But I have seen a few listed that fit an 8" ring gear. His axle code is H9 which I found is a 3.55 Limited slip rear end, but I can't find any information as to what size ring gear I may have. The numbers on the rear end tag don't match anything I have seen listed anywhere. Rear end tag...6869B R 3L55 88 7F12.1947 and Older Ford Trucks; Bronco. 2021+ Bronco; 2021+ Bronco Sport; 1978 - 1996 Big Bronco; 1966 - 1977 Early Broncos; Bronco II; Ford Vans and other vehicles. 2014+ Transit; Transit Connect; 1968-Present E-Series Van/Cutaway/Chassis; Ranchero & 1961 - 1967 Econoline; Nite, Nascar & Other Limited Edition Ford Trucks; Performance, Engines ...

But I have seen a few listed that fit an 8" ring gear. His axle code is H9 which I found is a 3.55 Limited slip rear end, but I can't find any information as to what size ring gear I may have. The numbers on the rear end tag don't match anything I have seen listed anywhere. Rear end tag...6869B R 3L55 88 7F12.2004 - 2008 Ford F150 - H9 Axle Code - My I.D. label on the driver's door indicates an axle code of H9 for my truck. Couple of questions.... 1. What size does this mean I have, or can you tell me where I can look to find out? 2. Does this code mean I have the trak-lock axle? Thanks for the help....am planning to...Posts: 38. Likes: 0. Received 0 Likes on 0 Posts. what gear ratio is with C7 axle code? I have an 80 F250. The rear is 10 bolt. I believe it is Dana 60 since I see the 60 casting on the RH side axle shaft housing. The tag is all rusted and unreadable. Is there a website with all of the axle codes listed or if anyone has more experience that I ...99-04 F250 C1 Axle Code 3.73 Pulled from a 1999 F250 📸Instagram:TheAutoBarnUsedPartsLLC Freight shipping is to a commercial location only CONTACT US DIRECTLY FOR A QUOTE ON SHIPPING BEFORE YOU PURCHASE THE ITEM WITH INTENT OF HAVING IT SHIPPED.is there a way to find out if the rear axle in my 2002 f350 is a limited slip by using the code on the door, or the vin? ... C1 - L/S - 3.73 C2 - L/S - 4.10 C3 - L/S - 4.30 This covers all OBS 1/2 ton to F450s Open Diff ... Trucool cooler, spin on trans filter, Firestone air bags, 2" frt leveling kit, now chased by a 34' toyhauler :ford:Ford Rear Axle Assembly Identification - Page 15: NOTE: Axle tag location and appearance may vary by application. Code Application Ring Gear And Pinion NL or L Axle Shaft Splines Additional Information; Ratio: Diameter of RG: S832E: Bronco '94-95 ... S930-C1: Expedition 97-98 Navigator 98: 3.31: 9.75: NL--S930-D: Expedition 97-98 Navigator …Axle tag codes and door sticker codes are not the same. 3L is a valid door sticker code for s 3.73LS differential. Yea it is I never said it wasn't the op said his truck is an 04 and his door sticker says 3L in that case 3L is not a valid door sticker code for any 1999-2004 model year f250 the code is C1 for 3.73 limited slip.The Ford Axle Code H9 represents the original axle ratio installed by the manufacturer. While it is possible to modify or upgrade the axle ratio in some cases, it should be done with caution as it can have implications on the vehicle’s drivability, fuel efficiency, and warranty. Consulting with a professional mechanic or performance shop is ...Ford Rear Axle Assembly Identification - Page 01: NOTE: Axle tag location and appearance may vary by application. Code Application Ring Gear And Pinion NL or L Axle Shaft Splines Additional Information; Ratio: Diameter of RG: WBG-E : Ford Truck '63-71 F100: 3.70: 9 in: NL: 28-WBG-F : Ford Truck '63-71 F100:Help Deciphering Axle Code. 2001 F250 4x4, Ext cab, utility bed (possible cab and chassis?),5.4l triton. It looks like the door tag gives an axle code of 47. However, every axle code chart I have seen (including the one posted here in the tech articles), does not list a 47 axle code. I cut and paste the chart posted here below for reference.There's no question, the easiest way to identify the axle and gear ratio in your truck is from the door sticker. If you open the drivers door and look at the door jamb, you'll see a sticker like the one shown below: You'll see that the area labeled (F) is for the Axle Code.I have a question on a rear axle swap for my 2004 Ford Excursion Diesel, what is the difference in rear axles? Obviously there's a difference between limited slip and not, but what are the differences in the other codes? I have axle code: C1 — 3.73 limited slip, F-250/Excursion This car is for resale, so I do not care if it is limited slip or ...Jan 26, 2006 ... My 01 explorer has the "46" axle code and im aware its a 3.73 conv axle. I removed the check/fill plug and the magnet on the plug had metal ...Now that you've provided the VIN, I was able to run the OASIS on it. According to OASIS, this truck has a build date of February 11, 2002. The transmission in it, is an Allison MD3060 6 speed. The rear axle in it, is a Rockwell 17144 with a 5.57 ratio. The engine in it, is a CAT 3126E 210HP @ 2500 RPMs.Axle code. On the certification sticker on the lower doorpost behind the driver's door, under "SPR". There will be a two-letter code. The first letter is the front springs, and the second letter is the rear springs. On a 4x4, the front spring codes are: S = 4,000 pounds @ground.Mar 26, 2023 ... In this video we go over how use the rear locking differential on a Ford. We are, PA's #1 Ford Store, Twin Pine Ford.The Ford 3E axle code can have a significant impact on the performance and capabilities of a Ford vehicle. The 3E code represents specific gear ratios and differential types, which can influence factors such as towing capacity, acceleration, and fuel efficiency. By understanding the 3E axle code, drivers can make more informed decisions about ...So here, thanks to Mike and ND, is the corrected graphic on decoding the axle tag on dents with 9" rear axles. 5MB: The 5 refers to the fifth year, M refers to December and B refers to the second week of that …

Dec 13, 2023 · Decoding Ford rear axle codes can be a bit complex, but by following a step-by-step process, it becomes much easier. Each letter and number in the rear axle code has a specific meaning, allowing you to extract valuable information about your axle. For example, the first two letters of the code indicate the axle’s size and capacity, while the ... Yukon Master Overhaul Kit 1999-2007 Ford 10.5" Ford 10.5" $ 630.89 2050-01-01. Power Products carries the Yukon Master Overhaul Kit Ford 10.5" Yukon Gear Dana 80 35 Spline Axle Shaft , 40.24" Long , 8 X 4.02" Bolt Pattern Dana 80 35 Spline AXL YUK-YA_D47847-2 19.42 Yukon Gear & Axle YA D47847-2.Mar 10, 2024 · Ford axle sticker code label federal f250 2002 compliance safety codes ranger door number rear tag c1 truck certification chevy Code axle ford codes truck gear option location 1995 2005 series trucks 2008 ford f150 axle code b6. 2002 ford f250 axle code c1. Axle f150Axle 26 code ford f150 Axle f150 fixya doorF150 axle ford code rear 2005 150 ... C7TA-BV = 1967 F250 Dana 60 / 4.10-1 / non Limited Slip / Ring gear has 29 splines (1965: 10 splines). 5 12 7C1 / Assembled May 12, 1967 / C1 is the code for the assembly plant. The fact that the rear axle ID tag is still there...is somewhat amazing, as most are missing by now. There are two possible reasons why:Likes: 0. Received 5 Likes on 5 Posts. How to decifer door jam codes on F250? C1 = 3.73 limited slip, F-250/Excursion. 9 = Four-speed automatic overdrive (4R100) KB = just a code for the suffix for the part numbers of the springs....doesn't tell you anything else. RC = region code but I cant find what the 72 means.Our Dana axle identification numbers will help you order the parts you need. Each Dana axle identification chart is free to use and easy to download. ... (BOM) and Ford Build Code are stamped on a Build Tag (red arrow)... Compare. Qty in Cart: 0. Price: $0.00. Subtotal: Quick view Compare. 1994-2013 Dodge Ram 5-Link Coil Spring Identification ...1999 to 2016 Super Duty - C1 / D1 Axle Question - A friend of mine has a 2001 F350 Diesel, her spider gear blew apart causing some damage. Her Dad Donated his wrecked 2004 F250 5,4 gasser as a parts rig..... So the F350 axle is D1 3.73 LS (axle tag 3s409H 3l73 10 5 1f13) The F250 is C1 3.73 LS Will the axle work for...

The Ford Axle Code H9 represents the original axle ratio installed by the manufacturer. While it is possible to modify or upgrade the axle ratio in some cases, it should be done with caution as it can have implications on the vehicle’s drivability, fuel efficiency, and warranty. Consulting with a professional mechanic or performance shop is ...99-01 had the Dana 50, late 01-now have the Dana 60. 1999 to 2016 Super Duty - Front axle codes vs. Rear axle codes - I'm struggling a bit to find codes for my front axle.. I see a lot of info about rears but not much about fronts.Dec 25, 2023 · Common rear end axle codes for Ford vehicles. Ford vehicles have different rear end axle codes depending on the model and year of manufacture. Some common rear end axle codes for Ford vehicles include “C6” for a 3.55 gear ratio, “F6” for a 3.73 gear ratio, and “H9” for a 4.11 gear ratio. It is essential to consult the specific axle ... Ford Truck Enthusiasts Forums; Super Duty/Heavy Duty; Excursion - King of SUVs; ... they never seemed to have the axle code. What powers your truck? if it's a diesel then you have 3.73s. ... C1 — 3.73 limited slip, F-250/Excursion 32 — 4.10 non-limited slip, F-250Reaction score. 50. Location. Lost Wages. Adventure 7 said: I have a 97 Ford Expedition Eddie bauer 4x4 need to replaCE THE AXLE SEAL got a Axle code of H6 what size is it? please and thankyou in advance. H6 = …Ford has used a variety of spring codes across their vehicle lineup over the years. Some of the most common codes include: Front Coil Springs: C5, D1, F2, G3. Rear Leaf Springs: B3, E5, F6, H2. Torsion Bar Springs: A3, D5, E4, G2. See also Enhancing Efficiency: Replacing MercedesBenz GL550 Powertrain Control Module.The code can be found on the Vehicle Identification Number (VIN) label, which is typically located on the driver’s side door jamb or the front windshield. 2. Decoding the Axle Code. To decode the Ford Axle Code, you need to refer to the manufacturer’s specifications or consult an online decoding tool. The code is made up of several ...Excursion - King of SUVs - Axle codes? Strange find! - I have found a possible purchase but I'm told the door sticker has an axle code of C0 rather then any of the following. 31 — 3.73 non-limited slip, F-250/Excursion C1 — 3.73 limited slip, F-250/Excursion 32 — 4.10 non-limited slip, F-250 C2 — 4.10 limited slip,...Dec 26, 2023 · There are several common Ford rear axle codes that indicate different specifications. For example, the “C6” code represents a 2.73:1 ratio and is commonly found in vehicles optimized for fuel efficiency, while the “D2” code signifies a 4.10:1 ratio and is often used in trucks for better towing capabilities. Understanding the meaning ... The Ford Axle Code 4L refers to the specific axle ratio and configuration used in certain Ford vehicles. It is a code that indicates the gear ratio of the axle, which determines the rotational speed of the wheels in relation to the engine’s RPM. In this case, the code “4L” signifies a 3.55 axle ratio.Dec 30, 2023 · Ford has used a variety of spring codes across their vehicle lineup over the years. Some of the most common codes include: Front Coil Springs: C5, D1, F2, G3. Rear Leaf Springs: B3, E5, F6, H2. Torsion Bar Springs: A3, D5, E4, G2. See also Enhancing Efficiency: Replacing MercedesBenz GL550 Powertrain Control Module. But I have seen a few listed that fit an 8" ring gear. His axle code is H9 which I found is a 3.55 Limited slip rear end, but I can't find any information as to what size ring gear I may have. The numbers on the rear end tag don't match anything I have seen listed anywhere. Rear end tag...6869B R 3L55 88 7F12.What is the Ford Axle Code C1? The Ford Axle Code C1 refers to a specific axle ratio configuration used in Ford vehicles. It is important for understanding the gear ratio and performance characteristics of the vehicle. The Ford Axle Code C1 is a crucial factor in determining the performance and towing capabilities of a Ford vehicle.Ford Truck Enthusiasts Forums; Super Duty/Heavy Duty; Excursion - King of SUVs; ... they never seemed to have the axle code. What powers your truck? if it's a diesel then you have 3.73s. ... C1 — 3.73 limited slip, F-250/Excursion 32 — 4.10 non-limited slip, F-250The Ford 3E axle code can have a significant impact on the performance and capabilities of a Ford vehicle. The 3E code represents specific gear ratios and differential types, which can influence factors such as towing capacity, acceleration, and fuel efficiency. By understanding the 3E axle code, drivers can make more informed …Now that you've provided the VIN, I was able to run the OASIS on it. According to OASIS, this truck has a build date of February 11, 2002. The transmission in it, is an Allison MD3060 6 speed. The rear axle in it, is a Rockwell 17144 with a 5.57 ratio. The engine in it, is a CAT 3126E 210HP @ 2500 RPMs.Good question, I wish I knew. I am wanting to know what my front axle is as well. My axle code is a C1. A C1 is a 3.73 Limited Slip. Also, how can I find out if my 2003 SD F250 7.3 PS SRW 4x4 Super Cab has a "Snow Plow Package" or 86M code?Jan 3, 2024 · Using the Ford Axle Code Chart. Our comprehensive Ford axle code chart is a valuable resource for decoding axle codes. It lists all the known axle codes for various Ford models, allowing you to match the code found on your vehicle with the corresponding differential information. See also Reviving Performance: BMW 340i GT xDrive Wheel Bearing ... Jul 19, 2014 · I'm trying to decode an axle tag that is in very bad condition. WDM-C1 = Ford 9" Rear Axle / 3.70-1 / No Limited Slip / 3,300 lbs. Rear Axle Capacity. 5EB = Assembled the 2nd week (B) of May (E), 1965 (5). The other jazz is the assembly plant code (3 digits) and design change (4th digit). Thanks ND.

1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - 1984 Axle code Look Up? - Looking to find out if a rear has 28 or 31 splines in it without opening it up first. axle tag is S319D 3L50 9 6J02 and it is out of a 1984 Bronco I believe. I think the code to look up in a factory Service Manual is S319D.

What does Axle Code "C1" mean? Save Share. Like. Sort by Oldest first ... Ford also said i didnt have to change any filters internal or external. Runs great now and ...

1999 to 2016 Super Duty - Maintenance Interval - Front and Rear Axle Fluid Change - 2003 Excursion - Fellas - Haven't found recommendations on front and rear fluid axle changes. Did mine with synthetic about 20,000 miles ago and not real excited about changing again anytime soon, but will if necessary.All 99 F250 7.3 with either trans have a Ford/Visteon "Sterling" rear axle with 10.5" ring gear and 3.73 axle ratio. So the only question is whether you have LS or not. The axle code on the Federal Certification Label on the lower doorpost behind the driver's door will begin with either a number or a letter.I looked in the Tech folder in this forum, and there are two axle code charts. The first one is in an entry that decodes the entire label, and it says: 41 — 3.73 non-limited slip, F-350 (single rear wheels) Then there's another chart down lower that only lists axle codes, and has less of them. It says. 41- 4.10.1999 - 2003 7.3L Power Stroke Diesel - C1 axle - I am in the middle of changing oil in my rear differential. I just want to be positive my axle is limited slip. It is …Rear axles come in two flavors, "open" and "limited-slip." The open rear axle only provides power to one rear wheel. Limited-slip axles transfer power to both wheels, yet allow the...1999 to 2016 Super Duty - Rear Axle Code HELP - Several months ago I purchased a 2002 F-250 with a V10, now I am trying to calculate Max 5th wheel weights. The door Axle code is (C1) and the tag on the rear diff housing has (V425B) on it.Likes: 0. Received 5 Likes on 5 Posts. How to decifer door jam codes on F250? C1 = 3.73 limited slip, F-250/Excursion. 9 = Four-speed automatic overdrive (4R100) KB = just a code for the suffix for the part numbers of the springs....doesn't tell you anything else. RC = region code but I cant find what the 72 means.Jul 26, 2005 · 3L isn't on the list I have from a specs doc from Ford. Here is all the axle codes I found for '05. ... 4n, axle, c1, code, codes, d1, d2, duty, e3, ew, f250, f350 ...

posey county inmate lookupcobb theater tyrone boulevardcow tg tfxtool d1 pro 20w enclosure Ford c1 axle code cherry popper weed strain [email protected] & Mobile Support 1-888-750-5920 Domestic Sales 1-800-221-6829 International Sales 1-800-241-6425 Packages 1-800-800-3274 Representatives 1-800-323-3979 Assistance 1-404-209-4899. All 99 F250 7.3 with either trans have a Ford/Visteon "Sterling" rear axle with 10.5" ring gear and 3.73 axle ratio. So the only question is whether you have LS or not. The axle code on the Federal Certification Label on the lower doorpost behind the driver's door will begin with either a number or a letter.. cedar count austin tx Axle Repair and Replacement Specialists for over 45 years providing safe and strong truck and trailer repairs. We come to you!I can only find F1 listed in the manual: F1 — 3.73 limited slip, F-350 (dual rear wheels) My truck has an F2 code on the door...I was wondering about the gear ratio. I have a 2001 DWR. Reply Like. # 4. 12-28-2006, 08:25 PM. Olddog66. Senior User. hickory hills jewelobituaries batesville indiana The Ford 3E axle code can have a significant impact on the performance and capabilities of a Ford vehicle. The 3E code represents specific gear ratios and differential types, which can influence factors such as towing capacity, acceleration, and fuel efficiency. By understanding the 3E axle code, drivers can make more informed decisions about ... comenity bank children's place sign inmario murillo.org New Customers Can Take an Extra 30% off. There are a wide variety of options. The B6 axle code indicates that the vehicle is equipped with a 7.5-inch ring gear with a limited-slip differential. This axle code can be found on the vehicle’s door jamb sticker, as well as on the axle itself. It is crucial to verify the axle code before purchasing any replacement parts or modifications.409 = Print Number (Model Number) B = Revision Identifier (Change in Design) 3L73: 3L73 = 3.73 Ratio. L = Limited Slip. Absence of L = Open Differential. A 3.73 geared limited slip axle would be marked as : 3L73. An open differential would show 3 (space)73. 102 denotes the ring gear size. 10.25 inches.Posts: 1,955. Likes: 0. Received 0 Likes on 0 Posts. My 96 Powerstroke had axle code C5, that is like mentioned 4.10:1. I had the zf5 5 speed tranny and 33s. 4th gear in that tranny is 1:1 like your 3rd gear is and I was able to go 60mph in 4th, really high rpm mind you. Something else to think about here.