Guangzhou Meishun Automatic Transmission Co., Ltd.
| Payment Terms | T/T |
| Delivery Time | 5-8 work day |
| Packaging Details | Wooden box or cardboard box |
| Year： | 2015-2021 |
| MODEL： | TR690 |
| SIZE: | 30X20X20CM |
| Brand： | Subaru |
| Item Weight: | 4kg |
| ＯＥＮＯ | 31441AA300；31441AA301 |
| Displacement: | 3.6L |
| Applicable Brand: | Subaru Ascent Subaru Outback |
| Brand Name | Subaru |
| Model Number | TR690 |
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Product Specification
| Payment Terms | T/T | Delivery Time | 5-8 work day |
| Packaging Details | Wooden box or cardboard box | Year： | 2015-2021 |
| MODEL： | TR690 | SIZE: | 30X20X20CM |
| Brand： | Subaru | Item Weight: | 4kg |
| ＯＥＮＯ | 31441AA300；31441AA301 | Displacement: | 3.6L |
| Applicable Brand: | Subaru Ascent Subaru Outback | Brand Name | Subaru |
| Model Number | TR690 | ||
| High Light | 31441AA301 shaft assembly ，shaft assembly CVT clutch ，CVT clutch shaft assembly | ||
Function: Transmits torque from transmission output to differential while providing gear reduction for optimal wheel speed/torque.
Key Components:
Hardened Gear Shaft: Case-hardened steel (HRC 58-62) with ground teeth for NVH reduction
Tapered Bearings: Pre-loaded to withstand axial/radial forces
Spline Interface: Precision-cut for zero backlash connection to differential
Failure Modes:
Tooth Pitting: Fatigue wear from shock loads (causes whining noise)
Bearing Spalling: Contaminated lubricant leads to premature failure
Spline Wear: Results in driveline clunk (check rotational play <2°)
Critical Specs:
Gear backlash: 0.08-0.15mm (requires dial indicator measurement)
Bearing pre-load: 0.05-0.10mm shim adjustment typically needed
Pro Tip: Always replace companion flange nut with OEM torque-to-yield spec – reused nuts cause pre-load loss.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company,Seller
Year Established:
2004
Total Annual:
5000000-10000000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
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