AC DELCO 86RWVYW42 Rocker Arm Savana 4500

( Brand: Ac Delco ), ( Manufacturer Part Number: 86RWVYW42 ), ( Type: Rocker Arm ), ( Fits 1: 2015-2024 Gmc Yukon ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Fit Note: Engine Rocker Arm New ), ( Cs-sku: 400 )

Review AC DELCO Rocker Arm Xl Savana 4500 Limited Hd fits SIERRA YUKON 1500 2500 3500

The AC Delco 86RWVYW42 is a premium quality rocker arm specifically designed for various models of Chevrolet and GMC vehicles, including the Sierra 1500, Yukon XL, Savana 2500, 3500, and 4500. This component is an essential part of your vehicle's engine system, responsible for converting reciprocal motion of the piston into rotational motion of the crankshaft.

Crafted from high-strength materials, this rocker arm is engineered to deliver exceptional durability, ensuring reliable performance even under heavy loads. Its precision-machined design ensures a perfect fit and proper clearance for optimal engine operation.

The 86RWVYW42 rocker arm features an innovative design that includes a robust shaft, durable bearings, and high-tensile steel arms. These features work together to provide a smooth and efficient transfer of power from the piston to the crankshaft.

Additionally, this rocker arm is designed with a hydraulic roller tip that offers superior valve control and reduced friction compared to traditional flat-tappet designs. This results in improved engine performance and increased fuel efficiency.

The 86RWVYW42 rocker arm also comes with new seals and gaskets to ensure a leak-free installation. These seals and gaskets are designed to provide a tight seal, preventing engine oil from leaking out and ensuring proper lubrication for the rocker arm.

In summary, the AC Delco 86RWVYW42 rocker arm is a top-tier replacement part that delivers superior durability, exceptional performance, and improved fuel efficiency for your Chevrolet or GMC vehicle. Its precise fit, innovative design, and included new seals and gaskets make it an excellent choice for vehicle owners seeking a reliable and effective solution for their rocker arm needs.

Pros and Cons of Buying an AC Delco 86RWVYW42 Rocker Arm for Select Sierra, Yukon XL, Savana, 2500, 3500, and 4500 Models

The AC Delco 86RWVYW42 is a replacement rocker arm specifically designed for various General Motors vehicles, including the Sierra 1500, Yukon XL, Savana, 2500, 3500, and 4500 models. In this analysis, we will discuss the key advantages and disadvantages of purchasing this part to help you make an informed decision.

1. OEM Quality: The AC Delco 86RWVYW42 is an Original Equipment Manufacturer (OEM) part. This means it is designed and manufactured to meet the same specifications as the original component, ensuring optimal fit, function, and performance.

2. Durability: AC Delco is known for producing high-quality components that can withstand the rigors of everyday use. This rocker arm is no exception, and it is engineered to provide long-lasting service.

3. Compatibility: The 86RWVYW42 is compatible with a wide range of GM vehicles, making it a versatile choice for those who own multiple vehicles or plan to sell their part after the installation.

4. Warranty: AC Delco offers a 12-month/12,000-mile limited warranty on this rocker arm, providing peace of mind to customers.

1. Cost: Compared to aftermarket alternatives, OEM parts like the AC Delco 86RWVYW42 can be more expensive. However, the increased cost may be justified by the superior quality and long-term durability.

2. Availability: Depending on your location and the specific model year and trim level of your vehicle, it may take some time to source this part from your local auto parts store or online retailer.

3. Installation: Installing a rocker arm can be a complex and time-consuming process, especially for those without mechanical expertise. It may be necessary to seek professional assistance to ensure proper installation and avoid potential complications.

The AC Delco 86RWVYW42 rocker arm offers several advantages, including OEM quality, durability, compatibility, and a warranty. However, it also comes with some disadvantages, such as a higher cost, potential availability issues, and the complexity of the installation process. Ultimately, the decision to purchase this part depends on your budget, mechanical expertise, and personal preferences. If you value the confidence that comes with using an OEM part, the AC Delco 86RWVYW42 is an excellent choice for your GM vehicle.

If you are in the market for a replacement rocker arm for your GM vehicle, the AC Delco 86RWVYW42 is a reliable and durable option. It is important to consider the cost, availability, and installation complexity before making your purchase. If you are comfortable with these factors, the AC Delco part provides the peace of mind that comes with using a genuine OEM component. Alternatively, you may want to explore aftermarket alternatives if cost is a primary concern. Regardless of your decision, make sure to choose a reputable supplier to ensure the authenticity and quality of the part.

Details:

GM regularly updates production and service part designs to integrate new materials technologies. Some GM Genuine Parts may have formerly appeared as AcDelco Original Equipment OE. Product Specifications Rocker Arm Type:Roller Grunion, Material:Steel, Meets or Exceeds OEM Specifications:Yes. Rocker Arm 86RWVYW42 for Sierra 1500 Yukon XL Savana 2500 3500 4500 Limited HD: Brand: AC Delco condition: New, Notes Engine New Features: GM Engineers design and validate OE parts specifically your Chevrolet, Buick, GMC, or Cadillac vehicle.

part #: 86rwvyw42 prices

• $84.06-$89.85

specifications rockeareng:

• for models: 1500, 2500, 3500, Sierra, Yukon
• brand: Ac Delco
• mpn: 86rwvyw42
• type: Rocker Arm
• fits 1: 2015-2024 Gmc Yukon
• manufacturer warranty: 12 Month Warranty
• attention: Please Read All Notes To Confirm Fitment
• fit note: Engine Rocker Arm New
• cs-sku: 400

returns rockeareng:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

offer rockeareng:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• started: June 6, 2026

payments rockeareng:

• credit card: Diners-club
• wallet: Google-pay
• other

general rockeareng:

• Engines Engine Parts > Valvetrain Components > Rocker Arms Parts
• condition: New

seller rockeareng:

• rating: 97.7%
• city: La Grange, Illinois
• # reviews: 59011

shipping rockeareng:

• type: Fixed
• class: Standard
• transit: 4-7 Days
• cost: $0.00
• service: Standard

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