Dorman 946-183 Rear 1-Piece Steel Driveshaft Assembly for Chevrolet Astro & GMC Safari

The Dorman 946-183 is a complete rear 1-piece steel driveshaft assembly engineered as a direct OE replacement for select Chevrolet Astro and GMC Safari vans. Manufactured in the USA from high-precision drawn-over-mandrel (DOM) seamless steel tubing, this assembly delivers superior concentricity, uniform wall thickness, and greater torsional strength compared to standard welded steel alternatives.

Key Features:

• 100% New Construction — Includes all-new yokes, tubes, constant velocity (CV) joints, and universal joints; no core charge or return hassle
• Pre-Balanced & Ready to Install — Dynamically balanced at optimal road speed using individually crafted balance weights for each shaft, minimizing vibration and eliminating comeback risk
• Direct OE Replacement — Built to original equipment dimensions for dependable, accurate fit and performance
• Serviceable Design — Non-staked universal joints allow for future serviceability without replacing the entire assembly
• Nylon-Coated Slip Yoke — Factory-lubricated slip yoke with nylon-based coating reduces friction and noise during operation
• Made in the USA — Manufactured using CNC machines and robotic welders for exacting tolerances

The Dorman 946-183 driveshaft arrives custom-packaged in expanding foam-in-place corrugated boxes to ensure it reaches your shop in pristine, install-ready condition. Whether you're a professional technician or a dedicated DIYer, this drop-in replacement eliminates the time and cost of rebuilding a worn or damaged rear drive shaft.