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The Dorman 635-518 Rear Main Seal Cover Kit is a premium direct replacement part crafted from durable die-cast aluminum. It includes a new gasket and installation hardware, designed to match original equipment specifications for a leak-free, long-lasting repair. Backed by extensive testing and a limited lifetime warranty, this kit is a trusted solution for maintaining engine integrity across select vehicle models.
| ASIN | B009ZBSBMO |
| Best Sellers Rank | #11,422 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Replacement Main Seals |
| Brand | Dorman |
| Brand Name | Dorman |
| Color | Dorman 635518 |
| Customer Reviews | 4.6 out of 5 stars 1,164 Reviews |
| Global Trade Identification Number | 00019495413615 |
| Included Components | Auto Part |
| Item Shape | Round |
| Item Type Name | Dorman 635-518: Rear Main Seal Cover Kit |
| Item Weight | 1.99 Pounds |
| Manufacturer | Dorman Products |
| Material | Aluminum |
| Material Type | Aluminum |
| Model | 635-518 |
| Part Interchange Info | 12633579,12639250 |
| Part Number | 635-518 |
| Shape | Round |
| UPC | 019495413615 |
| Unit Count | 1.0 Count |
| Warranty Description | Limited Lifetime Warranty |
R**I
Rear Main Seal Cover
Perfect fit, Great product
L**N
Oem worked great
Had to do a transmission in my truck, rear main was leaking so bought this to fix it, worked as it should, no more leaks, it’s Dorman, cheaper then local part store,
A**S
Fits a 2003 Silverado
Fit perfect on my 03 Silverado 4.8 and was $30 cheaper than the local parts house for the exact same product. Easy to install, would buy again.
D**E
Good quality
Perfect OEM replacement with gasket and bolts.
M**N
Dorman A++++ Quality
I have just received this today and can already know it will be worth to buy anything of Dorman quality. The AMZ version is a joke....D++++ Premium....is junk.
A**.
Fits perfectly!
Oh yeah! That was a lot of work replacing it! But finally my Suburban doesn't leave oil stains behind!! I also used black sealant…
M**D
It fit 2007 Escalade 6.2L Rear Main Seal
Product comes with the seal installed. Careful installation allows it to work properly. With the crankshaft cleaned very well, no rust or sharp edges you slip the new seal in place dry and clean. No Oil or grease because this is a teflon seal. Once fully in place by hand start all the upper bolts and then install the lower pan two long bolts leaving all bolts loose. Slowly tighten the upper bolts working around the seal area first, letting the seal be put in place centered on the crankshaft so you get long life. Now torque the upper bolts first and finish by tightening the lower bolts and torqueing them. You read of lots of guys saying this does not work and leaks. They installed it wrong in most cases. IF you tighten the lower 2 long bolts first the seal will egg shape on the crankshaft and leak. If you don't tighten the upper bolts slowly working your way around the seal and gradually bringing the entire plate tight against the block you will cause issues and maybe even break the new plate. Follow procedure and it works.
F**O
Bolts were to short used original ones. Worked PERFECTLY
Worked perfect 2012 Silverado 4.8 4x4 The bolts it came with were to short. Just cleaned the original ones up and worked perfectly. No leaks so far
J**.
Its good
Didnt need the centering tool for this kit. Followed torque sequence and no leaks.
M**O
Install it properly!!
This product worked amazing no more leaks!!!
D**E
Works
So far so good perfect fit very happy
Trustpilot
2 weeks ago
4 days ago