Walker 570-5058 Exhaust Gas Recirculation (EGR) Valve

Walker 570-5058 EGR Valve Overview

Walker 570-5058 is an OE replacement exhaust gas recirculation valve built to restore factory emissions control and drivability. It regulates exhaust gas flow back into the intake manifold to help lower combustion temperatures and reduce NOx output.

Compatible With Buick LeSabre, Park Avenue, Regal, Riviera; Chevrolet Corvette, Impala, Lumina, Monte Carlo; Pontiac Bonneville, Grand Prix; Oldsmobile 88, 98, Cutlass Supreme, Intrigue, LSS, Regency; Jaguar Vanden Plas, XJ6, XJR; and Suzuki Forenza applications listed below.

Key Features

• OE replacement EGR valve for emissions system service
• Accurate exhaust gas flow control for factory-style operation
• Built to meet or exceed OE specifications for flow, actuation timing, electrical connectivity, and valve position control
• Exact-fit design with original mounting locations and connector type
• Heat- and corrosion-resistant construction for underhood durability
• Spade terminal type, 1 connector, oblong connector shape, 5 terminals, female connector, male terminals
• Mounting hardware included

Detailed Description

Walker Products 570-5058 is engineered as a direct-fit EGR valve for emissions-related repair on select Buick, Chevrolet, Pontiac, Oldsmobile, Jaguar, and Suzuki vehicles. By metering exhaust gas into the intake stream, the valve helps control combustion temperature and supports proper engine efficiency and emissions performance. This part cross-references Bosch 18050 for the same application.

Use this Walker EGR valve when servicing a Buick LeSabre or Regal, Chevrolet Impala or Monte Carlo, or Pontiac Grand Prix application that requires OE-style valve position control and connector fitment. The part number 570-5058 is designed for original mounting points and electrical connection requirements.

What It Helps Fix

• Emissions fault codes related to EGR valve performance
• Rough idle caused by incorrect exhaust gas recirculation flow
• Stumbling or hesitation during acceleration
• Failed emissions inspection tied to NOx control issues
• Driveability problems from a sticking or unresponsive EGR valve

Installation Notes and Tips

Verify connector style, terminal count, and mounting-hole layout before installation. Clean the EGR passage and mating surfaces so the replacement valve can seat correctly. Confirm the vehicle application by year, make, and model before ordering; this Walker 570-5058 listing covers specific fitments only.

• Fits 2004-2008 Suzuki Forenza
• Fits 1996-2001 Buick LeSabre
• Fits 1995-2001 Buick Park Avenue
• Fits 1996-2001 Buick Regal
• Fits 2000-2001 Chevrolet Impala
• Fits 1996-2001 Chevrolet Monte Carlo
• Fits 1995-2001 Pontiac Bonneville
• Fits 1996-2001 Pontiac Grand Prix
• Fits 1995-1999 Buick Riviera
• Fits 1996-1999 Chevrolet Lumina
• Fits 1995-1999 Oldsmobile 88
• Fits 1998-1999 Oldsmobile Intrigue
• Fits 1996-1999 Oldsmobile LSS
• Fits 1997-1998 Oldsmobile Regency
• Fits 1995-1997 Jaguar Vanden Plas
• Fits 1995-1997 Jaguar XJ6
• Fits 1995-1997 Jaguar XJR
• Fits 1995-1996 Oldsmobile 98
• Fits 1996 Oldsmobile Cutlass Supreme
• Fits 1995 Chevrolet Corvette

Quality Assurance

Walker manufactures this EGR valve to OE replacement standards for emissions performance, electrical connection, and valve control. The design uses durable materials selected for continuous exhaust exposure and demanding underhood conditions.