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⚙️ Upgrade your engine’s heartbeat with precision and durability!
The Dorman 635-505 Engine Timing Cover is a direct OE replacement designed for select vehicles, engineered with heat-resistant plastic to endure extreme engine conditions. Backed by over a century of Dorman’s automotive expertise, this quality-tested cover ensures a perfect fit and long-lasting performance, making it the smart choice for professional-grade engine repairs.
| ASIN | B000E322OA |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #49,470 in Automotive ( See Top 100 in Automotive ) #3 in Automotive Replacement Engine Timing Part Covers |
| Brand | Dorman |
| Brand Name | Dorman |
| Color | Black |
| Compatible with Vehicle Type | Car, Truck |
| Customer Reviews | 4.4 out of 5 stars 474 Reviews |
| Exterior Finish | Per Item Description |
| Global Trade Identification Number | 00019495089919 |
| Included Components | TIMING COVER KIT |
| Item Dimensions | 12.38 x 10.38 x 2.38 inches |
| Item Type Name | ACCESSORIES |
| Item Weight | 1.4 Pounds |
| Item dimensions L x W x H | 12.38 x 10.38 x 2.38 inches |
| Manufacturer | Dorman Products |
| Manufacturer Part Number | 635-505 |
| Manufacturer Warranty Description | Limited Lifetime Warranty |
| Material | Plastic |
| Material Type | Plastic |
| Model Number | 635-505 |
| OEM Equivalent Part Number | 103075; 103076; 500350; 500350WO; 500LS2; 12523972; 12523973; 12552427; 12558343; 12562818; 8-10089-671-0; 8-12523-973-0; 8-12558-343-0; 93800970 |
| Part Interchange Info | 635-505 |
| Style Name | Modern |
| UPC | 019495089919 |
| Unit Count | 1.0 Count |
| Vehicle Service Type | Car, Truck |
I**G
Good quality
Fast delivery, item as described, satisfaction 👍👍👍👍👍
R**E
99 K1500 Suburban OBS 5.7 Vortec
Fit perfect on my 5.7 vortec. Will fit almost and truck 5.7 TBI or Vortec as it comes with the know sensor block off for some fitments. Only thing that I absolutely hate are the bolts and bolts Rubber Grommets. Be careful not to over tighten!!!! The rubber grommet makes it very easy to do (this was my first time doing a Timing cover btw). Also in the future for me I will be purchasing the metal style Timing Cover with stronger Timing Cover bolts. Great value and no leaks so far so probably will be a little while before I do that upgrade. Seems to be a little bit stronger than my original Timing covers but maybe because my motor has 320k miles. This is a great purchase but maybe upgrade to a metal timing cover if you prefer.
K**R
Number of bolt pattern mounting holes
Future customers should count the number of mounting Pattern holes the 635-505 has 8 holes,and the 635-05 has 10 bolt pattern
P**Y
Sheared a bolt.
Great product, but sheared off one of the included bolts. Used a very nominal amount of torque. Be careful.
J**.
As good as any GM cover
This timing cover is as good as the GM part and Better than most aftermarket covers out there. These instal leak free and work well. Save some coin and buy this and put your mind at ease that you have the best part.
G**O
Exelente
Exelente producto lo recomiendo
J**S
Dorman timing cover
Ok, so after removing harmonic the old crank seal just fell out of the cover. I used this cover and put a layer of jb weld around the metal part of the crank seal and cover. It will not fall out of this one. Sealed well, no leaks. Overall the cover is just fine.
M**O
Terrible product
Had installed in February of this year (2025) It's already leaking.... terrible product should have a lifetime warranty.
M**O
Buono
Non ancora montato sembra buono come l'originale
F**O
Vale a pena
Bom custo benefício
R**R
Known I can get this on Amazon thanks
Prefect glad to have this for the job I am working on thank u again.
A**N
The quality seems to have improved.
Other than having plastic pins instead of holes for the metal alignment pins in the block, the quality is good.
D**E
Loose and leaking front seal
After 1 hr running I had a leak. Found the seal loose and leaking in the housing. Housing bore and seal seemed to measure ok but ordered a new seal and used proper sealant instead of nothing like it was
Trustpilot
2 weeks ago
2 days ago