1. Engine Rocker & Valve Covers Items
  2. sku: 12725361634788603
  3. AC DELCO 84635WJTX

AC DELCO 84635WJTX Valve Cover Left

fits model: 3500, Sierra. make: Gmc. year: 2001–2006.

84635wjtx Ac Delco For 2001-2006 Gmc Sierra 3500 Valve Cover Left 2002 2003 2004

( Brand: Ac Delco ), ( Manufacturer Part Number: 84635WJTX ), ( Part Type: Valve Cover ), ( Placement On Vehicle: Left ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: Engine Valve Cover New; Includes, Gasket, Bolt, Defle. ), ( Years: 2001 2002 2003 2004 2005 2006 ), ( Application: Gmc Sierra 3500 Valve Cover ), ( Product Name 2: Engine Valve Cover ), ( Cs-sku: 400 )

Review AC DELCO For Gmc Valve Cover Left fits SIERRA 3500 2001–2006

Introducing the AC Delco 84635WJTX Valve Cover for select 2001-2006 GMC Sierra 3500 models, specifically those from the years 2002, 2003, and 2004. This valve cover is an essential component of your engine's fuel delivery system, designed to house the engine's intake valves and seal the area between the cylinder heads and the intake manifold.

Manufactured by AC Delco, a trusted name in automotive replacement parts, this valve cover is engineered to meet or exceed OE specifications for fit, function, and durability. It is made of high-quality materials, including a cast aluminum construction, which provides both strength and corrosion resistance.

The AC Delco 84635WJTX Valve Cover features a multi-layer gasket design that seals effectively against the cylinder head and intake manifold, providing an airtight seal that helps prevent oil leaks and ensures optimal engine performance. The cover also comes with a new gasket, making installation a straightforward process.

This valve cover is designed to fit securely on your engine, with a precise fit that minimizes the potential for excess play or movement. Its smooth, finished surface not only looks great but also helps improve airflow and reduce turbulence, contributing to improved engine efficiency.

Installing the AC Delco 84635WJTX Valve Cover is a relatively simple process, requiring only basic hand tools. The cover comes complete with all necessary hardware, including new gaskets, bolts, and seals, so you won't need to purchase any additional parts.

In summary, the AC Delco 84635WJTX Valve Cover is a high-quality, reliable replacement part for select 2001-2006 GMC Sierra 3500 models. Its durable cast aluminum construction, multi-layer gasket design, and easy installation process make it an excellent choice for those looking to restore their engine's performance and prevent costly oil leaks.

The AC Delco 84635WJTX is a valve cover gasket set designed for 2001-2006 GMC Sierra 3500 models with engines produced between 2002 and 2004. Here are some potential pros and cons of buying this part.

Pros:

1. Original Equipment: This gasket set is a factory original equipment (OE) replacement, meaning it is designed and manufactured to meet or exceed the specifications of the original gasket.

2. Leak Prevention: The gasket set is designed to prevent coolant and oil leaks from the valve cover, which can help improve engine performance and reduce the risk of engine damage.

3. Easy Installation: The gasket set comes with all the necessary components for a complete installation, including the gasket, hardware, and sealing compound.

4. Reliable Brand: AC Delco is a well-known and reputable automotive parts brand, known for producing high-quality replacement parts.

Cons:

1. Cost: The AC Delco 84635WJTX may be more expensive than aftermarket gasket sets from lesser-known brands.

2. Availability: Depending on the location and availability at local auto parts stores, it may be necessary to order the gasket set online, which could result in additional shipping costs and wait times.

3. Installation Complexity: While the installation process is generally straightforward, it may require some mechanical skills and tools to complete the job effectively.

Ending Conclusion:

The AC Delco 84635WJTX is a high-quality OE replacement gasket set designed specifically for the valve cover on 2001-2006 GMC Sierra 3500 models. While it may be more expensive than aftermarket options, the reliability and leak prevention benefits may make it a worthwhile investment for those seeking a long-lasting solution.

Recommendation:

If you are experiencing coolant or oil leaks from the valve cover on your GMC Sierra 3500 and are looking for a reliable, high-quality replacement gasket, the AC Delco 84635WJTX is a solid choice. However, be sure to factor in the cost and availability before making a purchase. If cost is a major concern, consider exploring aftermarket options from reputable brands to find a more affordable alternative.

Details:

Notes:REMOVE PCV VALVE AND CONNECT HOSE TO COVER PORT WHEN USING REPLACE PART NUMBER-12561820. GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle. Parts Geek - For 2001 - 2006 GMC Sierra 3500 Valve Cover Left AC Delco 84635WJTX 2002 2003 2004: Review Fitment Notes to Ensure Proper Fit Position: condition: New Brand: Notes: Engine New; INCLUDES:COVER, GASKET, BOLT, DEFLECTOR, FITTING Mounting Hardware Included: Yes Finish: Natural Features: Some GM Genuine may have formerly appeared as AcDelco Original Equipment OE. GM regularly updates production and service part designs to integrate new materials technologies.

part #: 84635wjtx price

  • $151.42

specifications rockercove:

  • for models: 3500, Sierra
  • for makes: Gmc
  • for years: 2001-2006
  • brand: Ac Delco
  • mpn: 84635wjtx
  • part type: Valve Cover
  • placement on vehicle: Left
  • manufacturer warranty: 12 Month Warranty
  • notes: Engine Valve Cover New; Includes, Gasket, Bolt, Defle.
  • years: 2001 2002 2003 2004 2005 2006
  • application: Gmc Sierra 3500 Valve Cover
  • product name 2: Engine Valve Cover
  • cs-sku: 400

shipping rockercove:

  • type: Fixed
  • service: FedEx Ground / FedEx Home Delivery
  • carrier: FedEx
  • class: Standard
  • transit: 4-7 Days
  • cost: $0.00

offer rockercove:

  • options: Ship-to-home
  • availability: In Stock
  • started: April 17, 2026
  • quantity: 1
  • sold: 0

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general rockercove:

  • condition: New
  • Engines Engine Parts > Valvetrain Components > Rocker Valve Covers

seller rockercove:

  • # reviews: 328788
  • city: Rockville Centre, New York
  • rating: 98.8%

returns rockercove:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller
for models: 3500, sierra, for makes: gmc, for years: 2001-2006, part type: valve cover, placement on vehicle: left, manufacturer warranty: 12 month warranty, notes: engine valve cover new; includes, gasket, bolt, defle., years: 2001 2002 2003 2004 2005 2006, application: gmc sierra 3500 valve cover, product name 2: engine valve cover, cs-sku: 400,
category: auto parts > engines engine parts > valvetrain components > rocker valve covers, sku: 12725361634788603,

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1 offer $151.42 USD
  • Offer #1: $151.42 price + $0.00 shipping estimate = $151.42* total. GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle. Notes:REMOVE PCV VALVE AND CONNECT HOSE TO VALVE COVER PORT WHEN USING TO REPLACE PART NUMBER-12561820.FREE SHIPPING

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