FAST C6J45TB Gearbox Parts - Shift Fork Shaft/Rear Cover Housing/Other Parts
|
Model |
C6J45TB |
|
Brand |
Fast |
|
Number of Gears |
6 forward gears + 1 reverse gear |
|
Shifting Mode |
Manual Transmission |
|
Maximum Input Torque |
450 N.m |
|
Adapted Vehicles |
Suitable for harsh working conditions and heavy-duty operations, widely applied in buses, trucks, tractors and special vehicles |
Product Description
These parts are engineered exclusively for the FAST C6J45TB 6-speed manual gearbox, tailored to heavy-duty scenarios like long-haul transportation, logistics and special vehicle operations.
Crafted from premium materials—high-strength steel for structural parts, wear-resistant rubber for seals, and durable engineering plastics for auxiliary components—all parts undergo professional precision processing. Key processes include forging, heat treatment, CNC machining and airtightness testing, meeting the gearbox’s 450 N.m maximum input torque requirement. Strict dimensional accuracy and performance inspections ensure full compatibility with original equipment.
Shift Fork Shaft Assembly Parts
Gear shift forks, shift fork shafts, guide blocks and elastic pins—core components for accurate gear selection and smooth shifting.
Rear Cover Housing Assembly Parts
Rear cover housing, output flange plate, oil seal and odometer sensor—forming the gearbox’s rear-end protection and power output support system.
Direct-fit design allows hassle-free installation without modification, fully interchangeable with original parts. Ideal for routine maintenance, emergency repairs and fleet bulk procurement.
Detail Parts List
1、 Shift Fork Shaft Assembly

|
No. |
Parts No. |
Part Name |
Qty. |
|
1 |
15642069 |
Directional Support Pin |
2 |
|
2 |
Q72318 |
Sealing Washer |
2 |
|
3 |
15622058 |
5th/6th Gear Shift Fork |
1 |
|
4 |
15642085-2 |
Shift Fork Block |
2 |
|
5 |
Q5270628 |
Helical Elastic Pin |
8 |
|
6 |
15622057 |
3rd/4th Gear Shift Fork |
1 |
|
7 |
15622056 |
1st/2nd Gear Shift Fork |
1 |
|
8 |
15622055 |
Reverse Gear Shift Fork |
1 |
|
9 |
15622063-2 |
Reverse Gear Shift Fork Shaft |
1 |
|
10 |
15622064-2 |
1st/2nd Gear Shift Fork Shaft |
1 |
|
11 |
15622065-2 |
3rd/4th Gear Shift Fork Shaft |
1 |
|
12 |
15622066-2 |
5th/6th Gear Shift Fork Shaft |
1 |
|
13 |
15642051 |
Reverse Gear Guide Block |
2 |
|
14 |
15642052 |
1st/2nd Gear Guide Block |
2 |
|
15 |
15642054 |
Directional Guide Block |
1 |
2、Rear Cover Housing Assembly

|
No. |
Parts No. |
Part Name |
Qty. |
|
1 |
15621170-1 |
Flange Nut |
1 |
|
2 |
6J30T-1701157 |
Flat Washer |
1 |
|
3 |
15621171 |
O-Ring |
1 |
|
4 |
15621183 |
Output Flange Plate |
1 |
|
5 |
15621160 |
Dust Cover |
1 |
|
6 |
15621172-1 |
Output Oil Seal |
1 |
|
7 |
15621157 |
Odometer Rotor |
1 |
|
8 |
NUP2209EN |
Cylindrical Roller Bearing |
1 |
|
9 |
Q43085 |
Elastic Retaining Ring for Hole |
1 |
|
10 |
C03054-16 |
Electronic Odometer Sensor Assembly |
1 |
|
11 |
Q617B18 |
Hexagon Head Pipe Plug |
1 |
|
12 |
Q72318 |
Sealing Washer |
1 |
|
13 |
9_5G100BGB-T308 |
Steel Ball |
4 |
|
14 |
5J30T-1702018B |
Compression Spring |
4 |
|
15 |
5J30T-1701608B |
Self-Locking Pipe Plug |
4 |
|
16 |
15621022 |
Reverse Idler Gear Window Cover |
1 |
|
17 |
Q1420820 |
Hexagon Head Bolt and Spring Washer Assembly |
6 |
|
18 |
15621016-Y |
Rear Cover Housing |
1 |
3、Other Parts
|
No. |
Parts No. |
Part Name |
Qty. |
|
1 |
20815-76 |
Bracket |
1 |
Product Advantages
C6J45TB Exact Fit
100% matched to original dimensions, no fitment issues for heavy-duty repairs.
Heavy-Duty Durability
Withstands 450 N.m torque and harsh working conditions, extending service life.
Stable Power Transmission
Precision-machined shift fork and guide block ensure stable gear changes.
Reliable Sealing & Protection
High-quality oil seal and O-ring prevent oil leakage and dust intrusion.
Easy Maintenance
Modular design enables quick replacement without full gearbox disassembly.
Payment & Shipping Terms
● MOQ: 1 piece
● Packaging: Customizable wooden crate/carton
● Delivery: 3-20 working days (express: DHL/FedEx; sea freight for bulk)
● Payment: L/C, T/T, Western Union; tracking number provided in 24hrs
● After-Sales Service:24-hour technical support, global service network

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Mr. Perry Wu International Sales Director