PWR 42-1406 Rack and Pinion Assembly

Hydraulic Rack and Pinion Assembly for Chevrolet and GMC Trucks

The PWR 42-1406 hydraulic rack and pinion assembly is designed specifically for Chevrolet and GMC full-size pickup trucks. Engineered to meet regular grade standards, this steering component ensures reliable performance for your Sierra 1500, Sierra 1500 Classic, Silverado 1500, and Silverado 1500 Classic models.

• Hydraulic type rack and pinion assembly
• Compatible with Chevrolet and GMC Sierra 1500 and Silverado 1500 models
• Includes inner tie rods and gasket/seal for installation
• End to end length of 1289 mm with 3.4 total turns lock to lock
• Female inlet and outlet line fittings with 18 mm and 16 mm diameters
• Mounting hole quantity: 2; mounting hardware and brackets not included
• Steering input shaft diameter: 20 mm

Product Details and Specifications

This PWR rack and pinion assembly (part number 42-1406) is a hydraulic steering component designed for precise control and durability. It features a 1289 mm end-to-end length and offers 3.4 total turns lock to lock, providing responsive steering feel. The assembly includes inner tie rods and a gasket or seal to ensure a secure fit and prevent leaks. Both inlet and outlet line fittings are female, measuring 18 mm and 16 mm respectively, compatible with standard hydraulic steering lines. Note that mounting hardware and brackets are not included, and the assembly has two mounting holes for secure installation.

Compatible Vehicles and Applications

This rack and pinion assembly is compatible with the following vehicles:

• Chevrolet Sierra 1500 (including Classic models)
• GMC Sierra 1500 (including Classic models)
• Chevrolet Silverado 1500 (including Classic models)
• GMC Silverado 1500 (including Classic models)

It is designed to replace worn or damaged steering racks in these models, restoring proper steering function and vehicle handling.

Common Issues Addressed by This Rack and Pinion Assembly

• Steering wheel play or looseness
• Hydraulic fluid leaks from the steering rack
• Difficulty steering or uneven steering response
• Noise or clunking sounds during steering
• Worn or damaged inner tie rods affecting alignment

Installation Notes and Tips

Installation of the PWR 42-1406 rack and pinion assembly requires removal of the old steering rack and proper alignment of the new unit. Since mounting hardware and brackets are not included, ensure you have the necessary components before beginning installation. The included gasket or seal should be carefully installed to prevent hydraulic fluid leaks. Verify that the inlet and outlet line fittings match your vehicle’s hydraulic lines, noting the female fitting design. After installation, a professional wheel alignment is recommended to ensure optimal steering performance.

Quality Assurance and Warranty Information

PWR manufactures this rack and pinion assembly to meet regular grade quality standards, ensuring dependable operation for your Chevrolet or GMC truck. The part includes a gasket or seal to maintain hydraulic integrity. While specific warranty details are not provided here, PWR products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Consult the product documentation or manufacturer for exact warranty terms.