Description
Product Overview
The K+ throttle body gasket is crafted from high‑grade aluminum alloy, offering a perfect balance of strength and lightweight performance. Designed specifically for Chevrolet 7.4L V8 engines, the gasket matches the original equipment specifications for thickness, bore diameter, and sealing surface. Its corrosion‑resistant coating protects against oil, fuel and coolant exposure, while the precision‑milled edges ensure a uniform seal that prevents air‑fuel mixture leaks. The part number TK144TK aligns with OEM references, guaranteeing a direct fit for models such as C3500, G30, K3500, R20, R2500 and related GMC variants.
Usage
This gasket is ideal for both professional mechanics and DIY enthusiasts restoring or maintaining Chevrolet and GMC trucks built between 1987 and 1991. Install it when replacing the throttle body, performing a fuel system overhaul, or addressing rough idle and poor acceleration symptoms. The gasket performs reliably in a range of operating conditions—from city commuting to heavy towing—ensuring consistent throttle response and fuel efficiency. 
Why Choose Us
K+ is known for rigorous quality control and automotive‑grade manufacturing processes. Each gasket undergoes dimensional inspection and pressure testing to meet or exceed OEM standards. Our aluminum material provides superior heat dissipation compared with traditional rubber gaskets, extending service life and reducing the risk of failure under high‑temperature conditions. Backed by a 4.1‑star rating from 22 verified customers, this product delivers dependable performance and value.
Key Features
- Precision‑milled aluminum alloy for exact OEM fit
- Corrosion‑resistant coating protects against fuel and oil exposure
- Lightweight design improves heat dissipation and reduces engine load
- Direct replacement for part number TK144TK across multiple Chevrolet and GMC models
- Easy installation with no special tools required
FAQ
Is this gasket compatible with 1990 Chevrolet C3500?
Yes, the K+ gasket fits the 1990 Chevrolet C3500 equipped with the 7.4L V8 engine, matching the original part specifications.
Do I need to replace the throttle body when installing this gasket?
No, the gasket is designed to be installed on a serviceable throttle body. However, inspect the throttle body for wear and clean the mating surfaces before installation.
Can I use this gasket on a diesel engine?
This gasket is engineered for gasoline V8 engines. For diesel applications, please select a gasket specifically rated for diesel fuel systems.
What tools are required for installation?
Basic hand tools such as a socket set, torque wrench, and a clean rag are sufficient. Follow the torque specifications in the vehicle service manual.
How long does the gasket typically last?
When installed correctly and maintained according to manufacturer guidelines, the gasket can last the lifetime of the throttle body, often exceeding 100,000 miles.




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