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Walker 570-5031 Exhaust Gas Recirculation (EGR) Valve
Overview of Walker 570-5031 EGR Valve
The Walker 570-5031 Exhaust Gas Recirculation (EGR) Valve is designed to meet the emission control needs of various GM vehicles. This EGR valve features a single circular female connector and is engineered for reliable performance in Buick, Cadillac, Chevrolet, GMC, and Pontiac models.
- One circular female connector for secure electrical connection
- Two mounting holes for stable installation
- Three terminals ensuring proper electrical interface
- Single vacuum port for precise exhaust gas recirculation control
Detailed Product Description
The Walker 570-5031 EGR Valve is a critical component in the emission control system, designed to regulate the flow of exhaust gases back into the intake manifold. This process reduces nitrogen oxide emissions and improves engine efficiency. The valve includes one circular female connector with three terminals, providing a reliable electrical connection. It mounts securely with two mounting holes and features a single vacuum port to control the valve operation accurately. Compatible with a wide range of GM vehicles, including Buick LeSabre, Cadillac DeVille, Chevrolet Camaro, GMC Sierra, and Pontiac Grand Prix, this EGR valve supports proper engine function and emission compliance.
Common Applications and Issues Addressed
- Reduces engine knocking caused by excessive NOx emissions
- Helps prevent rough idling and stalling related to faulty EGR operation
- Improves fuel efficiency by optimizing exhaust gas recirculation
- Mitigates check engine light triggers related to EGR valve malfunction
- Supports emission system compliance for Buick, Cadillac, Chevrolet, GMC, and Pontiac vehicles
Installation Notes and Tips
When installing the Walker 570-5031 EGR Valve, ensure the two mounting holes align properly with the vehicleβs mounting points. Verify the circular female connector with three terminals is securely connected to avoid electrical faults. Check the vacuum port for any blockages or leaks to maintain proper valve function. It is recommended to inspect the surrounding gasket and clean the mounting surface before installation to ensure a tight seal and prevent exhaust leaks.
Quality Assurance and Warranty
Walker manufactures the 570-5031 EGR Valve to meet or exceed OEM specifications for durability and performance. Each valve undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details are not provided, Walker products typically come with a limited warranty covering defects in materials and workmanship. For exact warranty terms, refer to the product documentation or contact the manufacturer.
| Brand | Walker |
| Part Number | 570-5031 |
| Connector Quantity | 1 |
| Connector Shape | Circle |
| Mounting Hole Quantity | 2 |
| Terminal Quantity | 3 |
| Connector Gender | Female |
| Vacuum Port Quantity | 1 |
This part fits 157 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1995 | Chevrolet | C1500 | 5.7L | V8 | N/A | |
| 1995 | Chevrolet | C1500 Suburban | 5.7L | V8 | N/A | |
| 1995 | Chevrolet | C2500 | 5.7L | V8 | N/A | |
| 1995 | Chevrolet | G30 | 4.3L | V6 | N/A | |
| 1995 | Chevrolet | K1500 | 5.7L | V8 | N/A | |
| 1995 | Chevrolet | K1500 Suburban | 5.7L | V8 | N/A | |
| 1995 | Chevrolet | K2500 | 5.7L | V8 | N/A | |
| 1995 | Chevrolet | K2500 Suburban | 5.7L | V8 | N/A | |
| 1995 | Chevrolet | Tahoe | 5.7L | V8 | N/A | |
| 1995 | GMC | C1500 | 5.7L | V8 | N/A | |
| 1995 | GMC | C1500 Suburban | 5.7L | V8 | N/A | |
| 1995 | GMC | C2500 | 5.7L | V8 | N/A | |
| 1995 | GMC | C2500 Suburban | 5.7L | V8 | N/A | |
| 1995 | GMC | K1500 | 5.7L | V8 | N/A | |
| 1995 | GMC | K1500 Suburban | 5.7L | V8 | N/A | |
| 1995 | GMC | K2500 | 5.7L | V8 | N/A | |
| 1995 | GMC | K2500 Suburban | 5.7L | V8 | N/A | |
| 1995 | GMC | Yukon | 5.7L | V8 | N/A | |
| 1994 | Chevrolet | C1500 | 4.3L | V6 | N/A | |
| 1994 | Chevrolet | C2500 | 4.3L | V6 | N/A | |
| 1994 | Chevrolet | K1500 | 4.3L | V6 | N/A | |
| 1994 | Chevrolet | K2500 | 4.3L | V6 | N/A | |
| 1994 | GMC | C1500 | 4.3L | V6 | N/A | |
| 1994 | GMC | C2500 | 4.3L | V6 | N/A | |
| 1994 | GMC | K1500 | 4.3L | V6 | N/A | Manual Trans |
| 1994 | GMC | K2500 | 4.3L | V6 | N/A | |
| 1993 | Chevrolet | S10 | 2.5L | L4 | N/A | |
| 1993 | GMC | Sonoma | 2.5L | L4 | N/A | |
| 1992 | Cadillac | Brougham | 5.0L | V8 | N/A | |
| 1992 | Chevrolet | S10 | 2.5L | L4 | N/A | |
| 1992 | GMC | Sonoma | 2.5L | L4 | N/A | |
| 1991 | Cadillac | Brougham | 5.0L | V8 | N/A | |
| 1991 | Chevrolet | S10 | 2.5L | L4 | N/A | |
| 1991 | GMC | Sonoma | 2.5L | L4 | N/A | |
| 1990 | Chevrolet | Astro | 2.5L | L4 | N/A | |
| 1990 | Chevrolet | S10 | 2.5L | L4 | N/A | |
| 1990 | GMC | S15 | 2.5L | L4 | N/A | |
| 1990 | GMC | Safari | 2.5L | L4 | N/A | |
| 1990 | Pontiac | 6000 | 2.5L | L4 | N/A | |
| 1990 | Pontiac | Grand Am | 2.5L | L4 | N/A | |
| 1990 | Pontiac | Sunbird | 2.0L | L4 | N/A | |
| 1989 | Chevrolet | Astro | 2.5L | L4 | N/A | |
| 1989 | Chevrolet | S10 | 2.5L | L4 | N/A | |
| 1989 | GMC | S15 | 2.5L | L4 | N/A | |
| 1989 | GMC | Safari | 2.5L | L4 | N/A | |
| 1989 | Pontiac | 6000 | 2.5L | L4 | N/A | |
| 1989 | Pontiac | Grand Am | 2.5L | L4 | N/A | |
| 1989 | Pontiac | Sunbird | 2.0L | L4 | N/A | |
| 1988 | Chevrolet | Astro | 2.5L | L4 | N/A | |
| 1988 | Chevrolet | S10 | 2.5L | L4 | N/A | |
| 1988 | Chevrolet | S10 Blazer | 2.5L | L4 | N/A | |
| 1988 | GMC | S15 | 2.5L | L4 | N/A | |
| 1988 | GMC | S15 Jimmy | 2.5L | L4 | N/A | |
| 1988 | GMC | Safari | 2.5L | L4 | N/A | |
| 1988 | Pontiac | 6000 | 2.5L | L4 | N/A | |
| 1988 | Pontiac | Fiero | 2.5L | L4 | N/A | |
| 1988 | Pontiac | Grand Am | 2.5L | L4 | N/A | |
| 1988 | Pontiac | Sunbird | 2.0L | L4 | N/A | |
| 1987 | Chevrolet | Astro | 2.5L | L4 | N/A | |
| 1987 | Chevrolet | S10 | 2.5L | L4 | N/A | |
| 1987 | Chevrolet | S10 Blazer | 2.5L | L4 | N/A | |
| 1987 | GMC | S15 | 2.5L | L4 | N/A | |
| 1987 | GMC | S15 Jimmy | 2.5L | L4 | N/A | |
| 1987 | GMC | Safari | 2.5L | L4 | N/A | |
| 1987 | Pontiac | 6000 | 2.5L | L4 | N/A | |
| 1987 | Pontiac | Fiero | 2.5L | L4 | N/A | |
| 1987 | Pontiac | Grand Am | 2.5L | L4 | N/A | |
| 1987 | Pontiac | Sunbird | 2.0L | L4 | N/A | |
| 1986 | Chevrolet | Astro | 2.5L | L4 | N/A | |
| 1986 | Chevrolet | S10 | 2.5L | L4 | N/A | |
| 1986 | Chevrolet | S10 Blazer | 2.5L | L4 | N/A | |
| 1986 | GMC | S15 | 2.5L | L4 | N/A | |
| 1986 | GMC | S15 Jimmy | 2.5L | L4 | N/A | |
| 1986 | GMC | Safari | 2.5L | L4 | N/A | |
| 1986 | Pontiac | 6000 | 2.5L | L4 | N/A | |
| 1986 | Pontiac | Fiero | 2.5L | L4 | N/A | |
| 1986 | Pontiac | Grand Am | 2.5L | L4 | N/A | |
| 1985 | Chevrolet | Astro | 2.5L | L4 | N/A | |
| 1985 | Chevrolet | S10 | 2.5L | L4 | N/A | |
| 1985 | Chevrolet | S10 Blazer | 2.5L | L4 | N/A | |
| 1985 | GMC | S15 | 2.5L | L4 | N/A | |
| 1985 | GMC | S15 Jimmy | 2.5L | L4 | N/A | |
| 1985 | GMC | Safari | 2.5L | L4 | N/A | |
| 1985 | Pontiac | 6000 | 2.5L | L4 | N/A | |
| 1985 | Pontiac | Fiero | 2.5L | L4 | N/A | |
| 1985 | Pontiac | Grand Am | 2.5L | L4 | N/A | |
| 1984 | Buick | Skyhawk | 1.8L | L4 | N/A | |
| 1984 | Cadillac | Fleetwood | 6.0L | V8 | N/A | |
| 1984 | Pontiac | 6000 | 2.5L | L4 | N/A | |
| 1984 | Pontiac | Fiero | 2.5L | L4 | N/A | |
| 1984 | Pontiac | Phoenix | 2.5L | L4 | N/A | |
| 1983 | Buick | LeSabre | 3.8L | V6 | N/A | |
| 1983 | Buick | Regal | 3.8L | V6 | N/A | |
| 1983 | Buick | Skyhawk | 1.8L | L4 | N/A | |
| 1983 | Cadillac | Fleetwood | 6.0L | V8 | N/A | |
| 1983 | Chevrolet | Camaro | 2.5L | L4 | N/A | |
| 1983 | Chevrolet | Celebrity | 2.5L | L4 | N/A | |
| 1983 | Chevrolet | Citation | 2.5L | L4 | N/A | |
| 1983 | Chevrolet | Impala | 3.8L | V6 | N/A | |
| 1983 | Chevrolet | Malibu | 3.8L | V6 | N/A | |
| 1983 | Pontiac | 6000 | 2.5L | L4 | N/A | |
| 1983 | Pontiac | Bonneville | 3.8L | V6 | N/A | |
| 1983 | Pontiac | Firebird | 2.5L | L4 | N/A | |
| 1983 | Pontiac | Grand Prix | 3.8L | V6 | N/A | |
| 1983 | Pontiac | J2000 | 1.8L | L4 | N/A | |
| 1983 | Pontiac | Phoenix | 2.5L | L4 | N/A | |
| 1982 | Buick | LeSabre | 3.8L | V6 | N/A | |
| 1982 | Buick | Regal | 3.8L | V6 | N/A | |
| 1982 | Buick | Skyhawk | 1.8L | L4 | N/A | |
| 1982 | Cadillac | DeVille | 4.1L | V8 | N/A | |
| 1982 | Cadillac | Fleetwood | 6.0L | V8 | N/A | |
| 1982 | Cadillac | Seville | 4.1L | V6 | N/A | |
| 1982 | Chevrolet | Camaro | 2.5L | L4 | N/A | |
| 1982 | Chevrolet | Caprice | 3.8L | V6 | N/A | |
| 1982 | Chevrolet | Celebrity | 2.5L | L4 | N/A | |
| 1982 | Chevrolet | Citation | 2.5L | L4 | N/A | |
| 1982 | Chevrolet | Impala | 3.8L | V6 | N/A | |
| 1982 | Chevrolet | Malibu | 3.8L | V6 | N/A | |
| 1982 | Chevrolet | Monte Carlo | 3.8L | V6 | N/A | |
| 1982 | Pontiac | 6000 | 2.5L | L4 | N/A | |
| 1982 | Pontiac | Bonneville | 4.1L | V6 | N/A | |
| 1982 | Pontiac | Firebird | 2.5L | L4 | N/A | |
| 1982 | Pontiac | Grand Prix | 4.1L | V6 | N/A | |
| 1982 | Pontiac | J2000 | 1.8L | L4 | N/A | |
| 1982 | Pontiac | Phoenix | 2.5L | L4 | N/A | |
| 1981 | Buick | Century | 3.8L | V6 | N/A | |
| 1981 | Buick | LeSabre | 3.8L | V6 | N/A | |
| 1981 | Buick | Regal | 3.8L | V6 | N/A | |
| 1981 | Cadillac | DeVille | 4.1L | V6 | N/A | |
| 1981 | Cadillac | Fleetwood | 6.0L | V8 | N/A | |
| 1981 | Cadillac | Seville | 4.1L | V6 | N/A | |
| 1981 | Chevrolet | Camaro | 3.8L | V6 | N/A | |
| 1981 | Chevrolet | Caprice | 3.8L | V6 | N/A | |
| 1981 | Chevrolet | Citation | 2.5L | L4 | N/A | |
| 1981 | Chevrolet | Impala | 3.8L | V6 | N/A | |
| 1981 | Chevrolet | Malibu | 3.8L | V6 | N/A | |
| 1981 | Chevrolet | Monte Carlo | 3.8L | V6 | N/A | |
| 1981 | Pontiac | Bonneville | 3.8L | V6 | N/A | |
| 1981 | Pontiac | Catalina | 3.8L | V6 | N/A | |
| 1981 | Pontiac | Firebird | 3.8L | V6 | N/A | |
| 1981 | Pontiac | Grand LeMans | 3.8L | V6 | N/A | Calif. |
| 1981 | Pontiac | Grand Prix | 3.8L | V6 | N/A | |
| 1981 | Pontiac | LeMans | 3.8L | V6 | N/A | |
| 1981 | Pontiac | Phoenix | 2.5L | L4 | N/A | |
| 1980 | Buick | Century | 3.8L | V6 | N/A | |
| 1980 | Buick | LeSabre | 3.8L | V6 | N/A | |
| 1980 | Buick | Regal | 3.8L | V6 | N/A | |
| 1980 | Buick | Skyhawk | 3.8L | V6 | N/A | |
| 1980 | Chevrolet | Camaro | 3.8L | V6 | N/A | |
| 1980 | Chevrolet | Caprice | 3.8L | V6 | N/A | |
| 1980 | Chevrolet | Citation | 2.5L | L4 | N/A | |
| 1980 | Chevrolet | El Camino | 3.8L | V6 | N/A | |
| 1980 | Chevrolet | Impala | 3.8L | V6 | N/A | |
| 1980 | Chevrolet | Malibu | 3.8L | V6 | N/A | |
| 1980 | Chevrolet | Monte Carlo | 3.8L | V6 | N/A | |
| 1980 | Chevrolet | Monza | 3.8L | V6 | N/A | |
| 1980 | Pontiac | Phoenix | 2.5L | L4 | N/A |
* 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.