HomeEngine > Valve Train ComponentsDorman 635-603 Engine Timing Cover - Outer Upper
Part #: 635-603

Dorman 635-603 Engine Timing Cover - Outer Upper

Outer Upper
⚙️ 8 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Honda, Civic and CRX
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dorman Engine Timing Cover for Honda Civic and CRX

The Dorman 635-603 engine timing cover is designed specifically for Honda Civic and CRX models. Made from durable black plastic, this timing cover provides reliable protection for your engine's valve train components while including essential mounting hardware for a straightforward installation.

  • Constructed from high-quality black plastic for durability
  • Includes mounting hardware, gasket, and seal for complete installation
  • Measures 7 inches in length and 9.25 inches in width
  • Regular grade type suitable for standard engine applications
  • Compatible with Honda Civic and CRX models

Detailed Product Description

The Dorman 635-603 engine timing cover is engineered to protect the timing components of Honda Civic and CRX engines. Its plastic construction offers resistance to corrosion and wear, ensuring long-lasting performance. The package includes the timing cover itself, a gasket, and a seal, which are critical for maintaining a secure and leak-free fit. With dimensions of 7 inches in length and 9.25 inches in width, this cover fits precisely to maintain engine integrity. The included mounting hardware simplifies the replacement process, reducing installation time and effort.

Common Applications and Problem Resolution

  • Prevents oil leaks around the timing chain or belt area
  • Protects timing components from dirt and debris
  • Replaces cracked or damaged timing covers
  • Restores proper sealing to prevent engine contamination
  • Addresses wear-related issues in older Honda Civic and CRX engines

Installation Notes and Tips

Before installation, ensure the engine surface is clean and free of old gasket material. Use the included gasket and seal to achieve a proper seal and prevent leaks. Tighten mounting hardware to manufacturer torque specifications to avoid warping the plastic cover. It is recommended to inspect timing components during installation for any additional maintenance needs.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards. The 635-603 timing cover undergoes quality checks to ensure fit and function for Honda Civic and CRX models. This product comes with a limited warranty covering defects in material and workmanship, providing confidence in its durability and performance.

BrandDorman
Part Number635-603
ColorBlack
Grade TypeRegular
Length7
MaterialPlastic
Mounting Hardware IncludedYes
Package ContentsTiming Cover; Gasket; Seal
Width (in)9.25 in

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1991HondaCivic1.5LL4Outer Upper
1991HondaCRX1.5LL4Outer Upper
1990HondaCivic1.5LL4Outer Upper
1990HondaCRX1.5LL4Outer Upper
1989HondaCivic1.5LL4Outer Upper
1989HondaCRX1.5LL4Outer Upper
1988HondaCivic1.5LL4Outer Upper
1988HondaCRX1.5LL4Outer Upper

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

10370811820PM3000500486

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.