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41331-E0060 Differential Repair Kit Great Space High-quality

The Trailer Differential Repair Kit is a comprehensive set of precision-engineered components designed to restore the performance and reliability of a trailer’s axle differential system. Commonly used in commercial trailers, semi-trailers, dump trucks, refrigerated vans, and heavy-duty transport vehicles, this repair kit enables complete overhaul or maintenance of the differential assembly when wear, noise, leakage, or mechanical failure occurs.

The differential plays a crucial role in allowing wheels on the same axle to rotate at different speeds while transmitting engine power from the driveshaft to the wheels—especially important during cornering. Over time, bearings, seals, gears, and gaskets degrade due to load stress, heat, and contamination, leading to inefficiency or breakdown. A high-quality repair kit ensures long-term durability, smooth operation, and optimal power transmission.
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  • Trailer Parts

Attribute Description
Product Name Trailer Differential Repair Kit
Common Names Axle Overhaul Kit, Diff Seal & Bearing Kit, Rear End Repair Kit
Main Components Included Bearings (tapered roller), oil seals, shims, gaskets, crush sleeves, O-rings
Compatibility Single/Double Reduction Differentials;适用于 Meritor, Dana, BPW, SAF, etc.
Application Commercial Trailers, Semi-Trailers, Dump Trucks, Heavy Haul Vehicles
Material Chrome steel (bearings), Nitrile rubber (seals), brass/copper (shims), fiber/gasket paper
Standard Compliance ISO 9001, SAE J615, DIN 720, GB/T Standards
Operating Temperature -40°C to +150°C
Reusability No – intended for one-time repair/service use
Packaging Complete sealed kit with labeled parts
Installation Type Requires professional disassembly and reassembly
Customization Available Yes – by axle model, gear ratio, or regional specification
差速器修理包-4


差速器修理包-1


Parameter Specification
Kit Model Number DRK-M140
Axle Brand Compatibility Meritor MSA140, MX140, F140
Bearings Included Pinion Bearing (Front & Rear), Carrier Bearings (x2)
Oil Seal Input Shaft Seal (Pinion Seal), Outer Axle Seals (optional)
Gasket Type Differential Cover Gasket, Pinion Nut Lock Gasket
Shims Thickness: 0.8mm, 1.0mm, 1.2mm, 1.5mm (set included)
Crush Sleeve / Spacer One-time use collapsible sleeve for pinion preload
Bearing Preload Range 0.5–1.5 N·m (as per OEM spec)
Seal Material NBR (Nitrile Butadiene Rubber), heat-resistant up to 130°C
Bearing Precision Grade P5 (high precision), tapered roller type
Torque Specifications Follow OEM manual (e.g., Pinion Nut: 350–450 N·m)
Approvals Meets Meritor 050-140-001, SAE J615 Rev. 3


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