1. Engine Rocker & Valve Covers Items
  2. sku: 12481619733582722
  3. GMC TRUCK SIERRA150

GMC TRUCK SIERRA150 Valve Cover 350.GM9M12 1646005

fits make: Gmc. year: 2012.

350.gm9m12 Gmc Truck Sierra150 2012 Valve Cover 1646005

( Brand: Gmc Truck ), ( Manufacturer Part Number: SIERRA150 ), ( Part Type: Valve Cover ), ( Conditions Options: 1yr ), ( Genuine Oem: Yes ), ( Ipn: 350.gm9m12 ), ( Manufacturer Warranty: 90 Day )

Review GMC TRUCK Valve Cover fits 350 2012

Introducing the GMC 350.GM9M12 Valve Cover for the 2012 Sierra 150, a crucial component for maintaining the optimal performance of your vehicle's engine. This valve cover is meticulously designed to fit the specifications of the 350 cubic inch engine found in select GMC Sierra 150 models from 2012.

The valve cover is constructed from high-quality materials, including a durable cast aluminum body that provides excellent heat dissipation properties. Its sleek, streamlined design not only enhances the visual appeal of your engine but also ensures a snug fit, minimizing the risk of leaks or oil spills.

The OEM-designed valve cover features a pressurized oil system that ensures consistent oil flow to your engine components. Each gasket surface is engineered to provide a perfect seal, ensuring that no oil is lost unnecessarily. Furthermore, the cover comes with all necessary hardware, making installation a straightforward process for even the most novice of DIYers.

The GMC 350.GM9M12 Valve Cover is a must-have for any vehicle owner seeking to maintain their engine's performance and longevity. By replacing a worn-out or damaged valve cover, you can prevent potential engine damage, reduce the risk of costly repairs, and even improve fuel economy.

In summary, the GMC 350.GM9M12 Valve Cover for the 2012 Sierra 150 is an essential upgrade for any vehicle enthusiast or mechanic. Its high-quality construction, precise fit, and durable design make it a reliable and effective solution for maintaining the optimal performance of your engine.

Pros and Cons of Buying a GMC Sierra 1500 2012 Valve Cover

The valve cover is a crucial component of an internal combustion engine. It seals the valves and keeps the crankcase ventilation system clean. If you're considering purchasing a new valve cover for your GMC Sierra 1500 2012, here are some potential pros and cons.

Pros:

1. Improved Engine Performance: A new valve cover can help improve your engine's performance by sealing any leaks and ensuring that the crankcase ventilation system remains clean.

2. Preventing Damage: A leaking valve cover can cause damage to other engine components, such as the spark plugs and cylinder walls. Replacing the valve cover can prevent further damage and save you money in the long run.

3. Easy Installation: The valve cover is a relatively easy component to replace, and the process typically does not require any specialized tools.

4. Availability: GMC Sierra 1500 2012 valve covers are readily available from various auto parts retailers and manufacturers.

Cons:

1. Cost: The cost of purchasing a new valve cover can be a significant investment, especially if you're not experiencing any noticeable engine issues.

2. Potential for False Positives: Sometimes, engine symptoms, such as rough idling or misfiring, can be caused by other issues unrelated to the valve cover. Before purchasing a new valve cover, it's essential to ensure that it is the root cause of the problem.

3. Labor Costs: If you're not comfortable installing the valve cover yourself, you'll need to pay for labor costs to have it installed by a professional mechanic.

Conclusion:

When deciding whether to purchase a new valve cover for your GMC Sierra 1500 2012, it's essential to weigh the potential benefits against the costs. If you're experiencing noticeable engine issues, such as leaks or rough idling, a new valve cover may be a worthwhile investment. However, if you're not experiencing any issues, it might be best to hold off on the purchase until it becomes necessary.

Recommendation:

Before purchasing a new valve cover, we recommend consulting with a certified mechanic to diagnose the root cause of any engine issues you may be experiencing. They can help determine if a new valve cover is the best solution or if there are other, more cost-effective options available.

Details:

Notes: RH OFF READY 6MO, 1YR, 3YR L. See below for fitment information and any notes pertaining to this specific part. This part will only fit. It is ready to ship and comes with a 90 day warranty.

Year: 2012, model: SIERRA150, Stock #: C4622, Mileage: 95000. For more parts from this vehicle. Donor Vehicle.

part #: sierra150 prices

  • $80.70-$232.80

specifications rockercove:

  • for makes: Gmc
  • for years: 2012
  • brand: Gmc Truck
  • mpn: Sierra150
  • part type: Valve Cover
  • conditions options: 1yr
  • genuine oem: Yes
  • ipn: 350.gm9m12
  • manufacturer warranty: 90 Day

seller rockercove:

  • city: Toledo, Ohio
  • # reviews: 15682
  • rating: 98.9%

offer rockercove:

  • quantity: 1
  • started: April 3, 2026
  • options: Ship-to-home
  • availability: In Stock
  • best offers: True
  • sold: 0

shipping rockercove:

  • cost: $0.00
  • carrier: UPS
  • service: UPS Ground
  • class: Standard
  • transit: 3-5 Days
  • type: Fixed

general rockercove:

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

returns rockercove:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 60 Days

payments rockercove:

  • credit card: Discover
  • wallet: Apple-pay
  • other
for makes: gmc, for years: 2012, part type: valve cover, conditions options: 1yr, genuine oem: yes, manufacturer warranty: 90 day,
manufacturer: gmc, category: auto parts > engines engine parts > valvetrain components > rocker valve covers, sku: 12481619733582722,

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