OE Quality
60-Day Returns

Standard Ignition AT142 Secondary Air Injection Pipe - Right
Overview of Standard Ignition Secondary Air Injection Pipe AT142
The Standard Ignition Secondary Air Injection Pipe AT142 is designed for reliable mounting at the engine head, ensuring proper function within the emission control system. This part is compatible with various Chevrolet and GMC truck models, providing a direct replacement for the secondary air injection pipe.
- Mounts securely at the engine head for optimal air injection system performance
- Compatible with Chevrolet and GMC trucks including C10, C20, C30, K5 Blazer, and Suburban models
- Part number AT142 ensures precise fitment and easy identification
- Constructed to meet OEM specifications for emission control components
- Supports the secondary air injection system to reduce harmful emissions
Detailed Product Description
The Standard Ignition Secondary Air Injection Pipe AT142 plays a critical role in the emission control system by channeling secondary air into the exhaust stream. This pipe mounts directly at the engine head, facilitating the injection of fresh air to help reduce exhaust emissions during cold starts. Designed specifically for Chevrolet and GMC trucks such as the C10, C20, C2500, C3500, K5 Blazer, and K20 series, this pipe ensures compatibility and reliable operation. The part number AT142 corresponds to a component engineered to meet or exceed original equipment standards, providing a durable and precise fit for emission control repairs or maintenance.
Common Applications and Issues Addressed
- Replacement for damaged or corroded secondary air injection pipes
- Helps resolve emission test failures related to air injection system leaks
- Prevents exhaust backflow and improves cold start emissions
- Supports proper function of the secondary air injection pump and valves
- Addresses check engine light codes related to secondary air injection system faults
Installation Notes and Tips
- Ensure the engine is cool before beginning installation to avoid burns
- Verify compatibility with your specific Chevrolet or GMC model and year
- Inspect surrounding components such as air injection valves and hoses during replacement
- Use appropriate torque specifications when mounting at the engine head
- Check for leaks after installation to confirm proper sealing
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet OEM quality standards, ensuring reliable performance and durability. The Secondary Air Injection Pipe AT142 undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier, typically offering protection against manufacturing defects.
| Brand | Standard Ignition |
| Part Number | AT142 |
| Mounting Location | Engine Head |
This part fits 50 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1986 | Chevrolet | C20 | 7.4L | V8 | Right | |
| 1986 | Chevrolet | C20 Suburban | 7.4L | V8 | Right | |
| 1986 | Chevrolet | C30 | 7.4L | V8 | Right | |
| 1986 | Chevrolet | K30 | 7.4L | V8 | Right | |
| 1986 | GMC | C2500 | 7.4L | V8 | Right | |
| 1986 | GMC | C2500 Suburban | 7.4L | V8 | Right | |
| 1986 | GMC | C3500 | 7.4L | V8 | Right | |
| 1986 | GMC | K3500 | 7.4L | V8 | Right | |
| 1985 | Chevrolet | K20 Suburban | 7.4L | V8 | Right | |
| 1985 | GMC | C2500 Suburban | 7.4L | V8 | Right | |
| 1984 | Chevrolet | C20 | 7.4L | V8 | Right | |
| 1984 | Chevrolet | C20 Suburban | 7.4L | V8 | Right | |
| 1984 | Chevrolet | C30 | 7.4L | V8 | Right | |
| 1984 | Chevrolet | K30 | 7.4L | V8 | Right | |
| 1984 | GMC | C2500 | 7.4L | V8 | Right | |
| 1984 | GMC | C2500 Suburban | 7.4L | V8 | Right | |
| 1984 | GMC | C3500 | 7.4L | V8 | Right | |
| 1984 | GMC | K3500 | 7.4L | V8 | Right | |
| 1983 | Chevrolet | C20 | 7.4L | V8 | Right | |
| 1983 | Chevrolet | C20 | 6.2L | V8 | Right | |
| 1983 | Chevrolet | C20 Suburban | 7.4L | V8 | Right | |
| 1983 | Chevrolet | C30 | 7.4L | V8 | Right | |
| 1983 | Chevrolet | K30 | 7.4L | V8 | Right | |
| 1983 | GMC | C2500 | 7.4L | V8 | Right | |
| 1983 | GMC | C2500 Suburban | 7.4L | V8 | Right | |
| 1983 | GMC | C3500 | 7.4L | V8 | Right | |
| 1983 | GMC | K3500 | 7.4L | V8 | Right | |
| 1982 | Chevrolet | C20 | 7.4L | V8 | Right | |
| 1982 | Chevrolet | C20 Suburban | 7.4L | V8 | Right | |
| 1982 | Chevrolet | C30 | 7.4L | V8 | Right | |
| 1982 | Chevrolet | K30 | 7.4L | V8 | Right | |
| 1982 | GMC | C2500 | 7.4L | V8 | Right | |
| 1982 | GMC | C2500 Suburban | 7.4L | V8 | Right | |
| 1982 | GMC | C3500 | 7.4L | V8 | Right | |
| 1982 | GMC | K3500 | 7.4L | V8 | Right | |
| 1981 | Chevrolet | C20 | 7.4L | V8 | Right | |
| 1981 | Chevrolet | C20 Suburban | 7.4L | V8 | Right | |
| 1981 | Chevrolet | C30 | 7.4L | V8 | Right | |
| 1981 | Chevrolet | K30 | 7.4L | V8 | Right | |
| 1981 | GMC | C2500 | 7.4L | V8 | Right | |
| 1981 | GMC | C2500 Suburban | 7.4L | V8 | Right | |
| 1981 | GMC | C3500 | 7.4L | V8 | Right | |
| 1981 | GMC | K3500 | 7.4L | V8 | Right | |
| 1978 | Chevrolet | C10 | 7.4L | V8 | Right | |
| 1978 | Chevrolet | C10 Suburban | 7.4L | V8 | Right | |
| 1978 | Chevrolet | C20 | 7.4L | V8 | Right | |
| 1978 | Chevrolet | C20 | 5.7L | V8 | Right | |
| 1978 | Chevrolet | C30 | 7.4L | V8 | Right | |
| 1978 | Chevrolet | K20 | 7.4L | V8 | Right | |
| 1978 | Chevrolet | K5 Blazer | 7.4L | V8 | Right |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.