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Drivetrain› Differentials and Rear-End Components
ATK ENGINES
CHEV 1500 P/U L/S 05-06AX
SKU: A040 RAXP2239A
Professional / shop required
Overview
The assembly is built as a complete replacement solution, comprising the housing, axle shafts, and backing plates. It is specifically configured for trucks equipped with rear drum brakes (RPO code JF3). This unit is designed for direct installation into compatible 1500-series chassis to restore factory-level performance and reliability.
Before installation, ensure the vehicle's specific RPO codes (such as axle ratio and brake system) match the provided specifications to guarantee proper fitment and electronic compatibility. As this is a large mechanical assembly, professional installation is recommended, and the process typically involves removing the existing axle housing and swapping over driveshaft, brake, and suspension components.
The RAXP2239A is a remanufactured component intended to provide a cost-effective alternative to sourcing new parts or performing an overhaul on an existing damaged axle. It undergoes rigorous inspection and testing to meet industry standards for durability and operation.
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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | ATK ENGINES |
| Part Number | A040 RAXP2239A |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
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