fits model: S10, Blazer, Jimmy. make: Rochester, Gmc. year: 1985.

( Brand: Gmc Truck ), ( Part Type: Carburetor ), ( Conditions Options: Remanufactured Rochester ), ( Genuine Oem: No ), ( Ipn: 320-03321h ), ( Designation: Seller Refurbished ), ( Make: Gmc )
The GMC Rochester Quadra-Jet Carburetor 320-03321H is a high-performance replacement part designed specifically for the 1985 GMC Blazer, S10, and Jimmy S15 models equipped with a 2.8L engine. This carburetor is an excellent choice for vehicle owners seeking to restore their automobiles to original condition or those looking to improve their vehicle's performance.
The Quadra-Jet carburetor is known for its efficient fuel delivery and smooth idling characteristics, making it a popular choice for GMC vehicles during the 1980s. This 320-03321H variant is a direct replacement for the original carburetor, ensuring a reliable and hassle-free installation process.
This carburetor features a four-barrel design, with each barrel containing a metering rod and jet to optimize fuel delivery according to engine conditions. The Quadra-Jet system is also equipped with an automatic choke, ensuring effortless cold starts. The carburetor's vacuum secondary system further enhances low-end torque, making it suitable for towing and off-road applications.
The GMC Rochester Quadra-Jet Carburetor 320-03321H is manufactured to meet OEM specifications and undergoes rigorous testing to ensure it meets the highest quality standards. Each unit comes with all necessary hardware for a complete installation, including gaskets, mounting brackets, and throttle linkages.
If you're looking to restore your 1985 GMC Blazer, S10, or Jimmy S15 to its former glory or want to enhance its performance, the Rochester Quadra-Jet Carburetor 320-03321H is the perfect choice. With its proven track record of reliability and efficiency, you can trust that this carburetor will provide your vehicle with the power and responsiveness it needs to tackle any challenge.
Key Features:- Direct replacement for OEM carburetor on 1985 GMC Blazer, S10, and Jimmy S15 with 2.8L engine
- Four-barrel design for efficient fuel delivery and enhanced low-end torque
- Automatic choke for easy cold starts
- Vacuum secondary system for improved performance
- Manufactured to OEM specifications and rigorously tested for quality
- Includes all necessary hardware for installation
By choosing the GMC Rochester Quadra-Jet Carburetor 320-03321H, you're not only ensuring a seamless installation process but also investing in a high-performance component that will help your vehicle perform at its best.
The GMC 320-03321H carburetor is a Rochester Quadrajet 2BBL carburetor specifically designed for 2.8L engines used in Blazer, S10, Jimmy, and S15 models manufactured between 1985. Like any automotive part, this carburetor comes with its advantages and disadvantages.
Pros:1. Widely Available: Given its popularity in various GM vehicles, this carburetor is widely available in aftermarket stores and can be easily obtained.
2. Affordable: Compared to newer fuel injection systems or rebuilt OEM carbs, a used or rebuilt 320-03321H carburetor can be a cost-effective solution for restoring the vehicle's performance.
3. Familiarity: Mechanics and DIY enthusiasts who have worked on older GM vehicles might find working on this carburetor to be a more comfortable experience due to its widespread use.
Cons:1. Fuel Efficiency: Older carburetors like the 320-03321H may not provide the same fuel efficiency as modern fuel injection systems, which could lead to higher fuel consumption.
2. Maintenance: Carburetors require regular maintenance, which includes adjusting idle, mixture, and choke settings. This can be time-consuming and may require specialized tools.
3. Environmental Impact: Older carburetors do not meet modern emission standards, which could lead to increased exhaust emissions.
Conclusion:The GMC 320-03321H carburetor is an affordable and widely available option for restoring the performance of a 1985 Blazer, S10, Jimmy, or S15 with a 2.8L engine. However, it comes with the downsides of increased maintenance requirements, lower fuel efficiency, and higher exhaust emissions compared to modern fuel injection systems.
Recommendation:If you are looking to restore the original performance of your GM vehicle, a rebuilt or used 320-03321H carburetor could be a suitable choice. However, if you prioritize fuel efficiency, ease of maintenance, and environmental concerns, consider investing in a modern fuel injection system. The decision ultimately depends on your specific needs, preferences, and budget.
BLAZER S10/JIMMY S15 85 6-173, 2.8L, Federal, 4x2, AT, w/o AC. Remanufactured Rochester 17085348. S10/S15/SONOMA 85 6-173 2.8L, Federal, 4x2, AT, Pickup, w/o AC.