DORMAN 74AH236 Cruise Control Check Valve

( Brand: Dorman ), ( Part Type: Cruise Control Valve Check ), ( Manufacturer Part Number: 74AH236 ), ( Warranty: 1 Year ), ( Description: Two-way Check Valve ), ( Package Contents: 1 Vacuum Check Valve ), ( Material: Plastic ), ( Length: 2.03 In ), ( Cs-sku: 328 )

Review DORMAN Cruise Control Check Valve Gmc fits SUBURBAN C1500 1983–1986

Dorman 74AH236 Cruise Control Check Valve for 1983-1986 GMC C1500 Suburban

The Dorman 74AH236 Cruise Control Check Valve is an essential component designed specifically for the 1983-1986 GMC C1500 Suburban vehicles. This check valve is engineered to ensure the proper functioning of the vehicle's cruise control system, providing a smooth driving experience with the convenience of maintaining a consistent speed.

The Dorman 74AH236 is meticulously crafted from high-quality materials, ensuring durability and reliability. Its design mimics the original equipment (OE) check valve, ensuring a seamless fit and function within the vehicle's system. This check valve features a durable construction that is resistant to wear and tear, allowing it to withstand the rigors of daily driving and the test of time.

The check valve's primary function is to prevent the flow of vacuum back from the cruise control servo to the intake manifold when the cruise control is disengaged. This ensures the engine maintains the desired idle speed, which is crucial for the cruise control system to function effectively. When the vacuum is not allowed to flow back into the intake manifold, the engine idle remains consistent, enabling the cruise control to maintain the desired speed.

Installing the Dorman 74AH236 Cruise Control Check Valve is a straightforward process that can be completed in a short amount of time. It is designed to be a direct replacement for the OE check valve, meaning no modifications are required during installation. Simply remove the old check valve and replace it with the new one, following the instructions provided in the user manual.

By choosing the Dorman 74AH236 Cruise Control Check Valve, you are not only ensuring the proper functioning of your cruise control system but also enhancing the overall performance and driving experience of your 1983-1986 GMC C1500 Suburban. This check valve is backed by Dorman's commitment to quality, making it an excellent investment for those seeking a reliable, long-lasting solution.

Dorman 74AH236 Cruise Control Check Valve for 1983-1986 GMC Suburban: A Detailed Analysis

The Dorman 74AH236 is a cruise control check valve designed for 1983-1986 GMC Suburban vehicles. This component plays a crucial role in maintaining the functionality of the cruise control system. In this analysis, we will discuss the potential advantages and disadvantages of purchasing and installing this part.

1. OEM-equivalent performance: The Dorman 74AH236 is engineered to meet or exceed original equipment specifications, ensuring optimal cruise control system performance.

2. Affordable: Compared to OEM alternatives, the Dorman check valve offers a more budget-friendly option for vehicle owners.

3. Easy installation: The Dorman 74AH236 is designed for straightforward installation, making it an attractive choice for DIY enthusiasts.

4. Durable: The check valve is constructed from high-quality materials, ensuring long-lasting performance.

5. Improved cruise control: By replacing a worn or faulty check valve, vehicle owners can restore the functionality of their cruise control system, enhancing their driving experience.

1. Potential compatibility concerns: While the Dorman 74AH236 is designed to fit most 1983-1986 GMC Suburban models, it's essential to verify compatibility before purchasing.

2. Availability: Depending on the location, the Dorman 74AH236 may not be readily available at local auto parts stores, requiring an online or special order.

3. DIY installation challenges: Some vehicle owners may encounter difficulties during the installation process, potentially requiring professional assistance.

The Dorman 74AH236 cruise control check valve presents an attractive option for 1983-1986 GMC Suburban owners seeking an affordable and effective solution to restore their cruise control system's functionality. Its OEM-equivalent performance, ease of installation, and durability make it a compelling choice. However, potential compatibility concerns and availability challenges should be taken into consideration before making a purchase. Ultimately, if you are confident in your ability to verify compatibility and install the part yourself, the Dorman 74AH236 cruise control check valve is a worthwhile investment.

Details:

Part Type: Cruise Control Check Valve. Item Specifics Color/Finish: Black. Maximum Diameter: 0.765 IN. Connector Shape: Y-shape.

Material: Plastic. Outer Diameter: 3/16 X 1/4. Manufacturer: Dorman. Dorman parts are engineered to meet or exceed OEM standards, providing reliable performance, durability, and ease of installation.

Warranty Coverage: 1 Year. length : 2.03 IN. Reliable Performance: Engineered to meet or exceed OEM specifications for consistent operation and longevity.Durability: Manufactured using high-quality materials withstand the demands of everyday driving.Easy Installation: designed as direct-fit replacements, requiring minimal effort no special modifications.Wide Availability: Covers a broad range vehicle applications, making it easier find right part your car truck.

part #: 74ah236 price

• $16.53

specifications cruisecompo:

• for models: C1500, Suburban
• for makes: Gmc
• for years: 1983-1986
• brand: Dorman
• part type: Cruise Control Valve Check
• manufacturer part number: 74AH236
• warranty: 1 Year
• description: Two-way Check Valve
• package contents: 1 Vacuum Check Valve
• material: Plastic
• length: 2.03 In
• cs-sku: 328

general cruisecompo:

• Car Truck Parts Accessories > Advanced Driver Assistance Systems > Cruise Control Components
• condition: New

offer cruisecompo:

• options: Ship-to-home
• availability: In Stock
• quantity: 1
• started: February 21, 2026
• sold: 0

shipping cruisecompo:

• service: Standard
• type: Fixed
• class: Standard
• transit: 4-10 Days
• cost: $0.00

returns cruisecompo:

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

seller cruisecompo:

• city: Bronx, New York
• # reviews: 136
• rating: 99.3%

payments cruisecompo:

• credit card: Visa
• other
• wallet: Paypal

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