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Ford M4204F318C 8.8" Traction Lock

Brand: Ford

45 ratings

| 70 answered questions

Price:

$279.72 & FREE Shipping. Details & FREE Returns

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Fits 31 spline axles only
Compatible with solid and independent rear suspensions
Accepts anti-lock exciter ring
Requires 4oz. of friction modifier with initial fill
(CM-19546-A1) OE for 2003-2004 Cobras

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Customer Rating	(45)	(21)	(17)	(34)
Price	$279.72	$562.23	$562.23	$686.23
Sold By	Amazon.com	4Wheel Online	Amazon.com	Amazon.com
Item Dimensions	0 x 0 x 0 inches	9.5 x 8 x 8 inches	0 x 0 x 0 inches	9.5 x 8 x 8 inches

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Product information

Technical Details

Manufacturer

Ford

Brand

Ford

Item Weight

18.5 pounds

Item model number

M-4204-F318C

Is Discontinued By Manufacturer

Exterior

Carbon Fiber Plates

Manufacturer Part Number

M4204F318C

OEM Part Number

M-4204-F318C

Folding

Additional Information

ASIN

B004VQB31E

Customer Reviews

45 ratings

4.8 out of 5 stars

Best Sellers Rank

#639,382 in Automotive (See Top 100 in Automotive)
#7 in Automotive Performance Splined Drives
#39 in Automotive Replacement Splined Drives

Domestic Shipping

Item can be shipped within U.S.

International Shipping

This item can be shipped to select countries outside of the U.S. Learn More

Date First Available

September 14, 2004

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Product description

New in box Ford Racing part number M-4204-F318C Fits 31 spline axles only Compatible with solid and independent rear suspensions Accepts anti-lock exciter ring Requires 4oz. of friction modifier with initial fill. (CM-19546-A1) OE for 2003-2004 Cobras

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Customer reviews

5 star		84%
4 star		16%
3 star 0% (0%)		0%
2 star 0% (0%)		0%
1 star 0% (0%)		0%

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Top reviews from the United States

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chimaera

Excelling value for the price. Doubled my traction

Reviewed in the United States on December 6, 2017

Verified Purchase

Bought it because my 1wd open diff 05 F150 wasn't cutting it in the winter. Installation wasn't easy, unit fit a little tighter than old diff. I've put about 1,000 miles on it so far, with no noise or chattering or anything. I did use factory original ring and pinion. Note when planning out your project, that you HAVE to buy new bearings and races, the originals are pressed onto the original diff and there's no way to remove them without destroying them. The price on this can't be beat, especially if it's going on a vehicle driven primarily on the road, an auto locker would be the better choice for offroad.

5 people found this helpful

Helpful

Tyler R.

Decent posi

Reviewed in the United States on May 15, 2020

Verified Purchase

I bought this for my 4x2 explorer with the 8.8 disk rear daily driver. Driving in the rain it would usually spin one tire since it had an open diff, so pulling out in traffic was sometimes sketchy. I professionally installed this, and it definitely helped give power to both wheels. I’ve had it in for a few months and will say though, sometimes I does still slip allowing one wheel to spin. I think it’s just a design flaw more so over actual product malfunction or whatever. Their are absolutely better designs out there but dollar for dollar, this is hard to beat.

Helpful

joni james

Works

Reviewed in the United States on April 13, 2020

Verified Purchase

It spins both 37 inch tires on the bronco.

Update: I have gave this cheap traction lock mortal hell, with 37 inch tires in muddy and rocks and it still won't break. So I guess it's pretty tuff.

2 people found this helpful

Helpful

Paul W.

Great performance differential.

Reviewed in the United States on June 24, 2017

Verified Purchase

Installed in a 2006 Mercury Grand Marquis with 3.73 gears. Nice tight action with the carbon fiber clutches. Never fails to leave two lines of burnt rubber behind me. No noisy operation either when used with Royal Purple oil.

7 people found this helpful

Helpful

steve williamsTop Contributor: Camping

Power to the ground!

Reviewed in the United States on May 27, 2018

Verified Purchase

I put this unit in a 8.8 that I put under a jeep intended for off road. It works perfectly at low rpm high torque loads. No clunk noises or hanging. Limited slip works better for the way I off road.

2 people found this helpful

Helpful

jaxmike

Limited Slip Differential

Reviewed in the United States on March 12, 2017

Verified Purchase

Install went very smooth. Fit like the old one. Put a new set of Timken SET36 bearings on. Purchased it to replace an open differential on a 1998 Ford F150 2wd 8.8 31 spline.

8 people found this helpful

Helpful

Joshua Whitted

Works great

Reviewed in the United States on March 19, 2018

Verified Purchase

Works great in my 1997 Ford F150 2wd with 8.8 rear end. Rebuilt entire rear end and put a 4.10 gear along with it.

7 people found this helpful

Helpful

Dylan

Beautiful part

Reviewed in the United States on November 25, 2019

Verified Purchase

Great value. Arrived in a Ford performance box and installed with no issues. Just be sure you press bearings in the WHOLE WAY and double check your wear pattern. I had to install different shims. I now have an LSD and it works great.

One person found this helpful

Helpful

Top reviews from other countries

Steven Kennedy

Couldn’t ask for a better carrier for the price

Reviewed in Canada on February 12, 2020

Verified Purchase

Awesome quality Ford Motorsport product!
Used to rebuild a grenaded 8.8 in a 1999 F150. This coupled with a Yukon rebuild kit and USA gear set had the truck back on the road in an afternoon. Only problem I had with it was the rear diff is worth more than the truck now! Lol

One person found this helpful

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Pages with related products. See and discover other items: ford motorsport, ford products, ford racing, performance parts for a ford f150, ford racing products, Best Rated in Automotive Performance Splined Drives

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Ford M4204F318C 8.8" Traction Lock

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