33T-37T 3rd Gear for Toyota Coaster - High-Strength Alloy Steel OEM-Grade Transmission Gear
| Gear Configuration: | 33T-37T | Part Number: | 33034-36100 |
| Material: | High-strength Alloy Steel | Tooth Count: | 33T And 37T |
| Installation Type: | Direct OEM Replacement | Cooling Type: | Engine Coolant Circulation |
| Condition: | 100% Brand New | Weight: | Standard |
| High Light: | 33T-37T 3rd gear Toyota Coaster,High-strength alloy steel transmission gear,OEM-grade Toyota Coaster gear |
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The 3rd Gear with OEM reference number 33034-36100 is a verified direct-fit replacement for the Toyota Coaster minibus equipped with manual transmission (MTM). This gear is a critical component of the transmission system, responsible for transferring power from the input shaft to the output shaft at the 3rd gear ratio.
The gear features a 33-tooth configuration on one side and 37-tooth on the other (33T-37T), designed to mesh precisely with mating gears within the transmission assembly. A worn or damaged 3rd gear can lead to gear skipping, difficulty engaging 3rd gear, unusual grinding noises during shifting, and compromised driving performance. This OE-spec replacement gear restores proper transmission function and smooth gear engagement.
Manufactured to meet or exceed original equipment standards, this gear is produced from high-strength alloy steel with precision-machined teeth for reliable power transfer and long service life under demanding commercial operating conditions.
| Part Number | 33034-36100 | Product Name | 3rd Gear |
|---|---|---|---|
| Car Model | Toyota Coaster | Engine Model | Toyota |
| Condition | 100% Brand New | Size | Standard |
| Weight | Standard | Origin | China Mainland |
| Main Market | Middle East, Asia, Africa, South America, North America & Europe | ||
| Package | Neutral Packing Or Make It As Requested | ||
| Material | High-strength aluminum alloy & precision bearings | ||
Primary Applications (Toyota Coaster):
| Model | Chassis | Years | Notes |
|---|---|---|---|
| Toyota Coaster | BB2#, BB3#, RB2# | 1982-1985 | 5F manual transmission |
| Toyota Coaster | HB3#, HZB3# | 1982-1985 | 5F manual transmission |
Compatible Chassis Codes (Partial List):
- BB20, BB21, BB30
- RB20, RB21
- HB30
| Symptom | Description |
|---|---|
| Gear skipping | Transmission jumps out of 3rd gear under load |
| Difficulty engaging 3rd | Hard to shift into 3rd gear |
| Grinding noise | Unusual noise during 3rd gear engagement |
| Slipping | Loss of power transfer in 3rd gear |
| Feature | Benefit |
|---|---|
| 33T-37T precision gear configuration | Matches factory specifications for smooth power transfer and proper gear engagement |
| High-strength alloy steel construction | Withstands the torque demands of commercial minibus operation — ensures long service life |
| Direct OEM replacement | No modifications required — matches factory mounting and mating specifications |
| Precision-machined teeth | Smooth meshing with mating gears — reduces noise and wear |
| OEM-grade quality | Manufactured to original equipment standards — ensures reliable performance |
| 100% quality inspected | Reliable out of the box — each unit verified for dimensional accuracy and material integrity |
| QC Item | Verification Method |
|---|---|
| Gear tooth count | 33T and 37T verified against OE specifications |
| Dimensional accuracy | Precision inspection against OE blueprint — ensures proper fit and meshing |
| Material composition | High-strength alloy steel verification — ensures durability |
| Surface hardness | Heat treatment verification — ensures wear resistance |
| Tooth profile | Precision inspection — ensures smooth engagement |
| Batch traceability | Each production batch documented with quality certificates |
When to Replace:
- Gear skipping or jumping out of 3rd gear
- Difficulty engaging 3rd gear
- Grinding noise during 3rd gear shifts
- Visible wear or damage to gear teeth
- During complete transmission overhaul
Installation Guidelines (Reference Toyota workshop manual for complete steps):
- Safety first — securely support the vehicle
- Remove the transmission from the vehicle
- Disassemble the transmission case following manufacturer sequence
- Remove the old 3rd gear — note the position of bearings, synchronizers, and related components
- Compare the new gear with the old unit — verify part number (33034-36100) and tooth count (33T-37T) match
- Inspect all bearings, synchronizers, and shafts for wear — replace as needed
- Install the new 3rd gear with appropriate bearings and synchronizers
- Reassemble the transmission following manufacturer sequence
- Refill with the correct transmission fluid
- Road test — verify smooth shifting in all gears
- When replacing a single gear, inspect all related components (bearings, synchronizers, shafts) for wear
- Replace the needle roller bearing (90364-XXXX series) simultaneously for 3rd gear
- Always use OEM or OEM-grade replacement parts for critical transmission components
- Consider a full transmission rebuild kit for comprehensive repair
- Individually sealed in protective packaging
- Packed in carton (branded or plain)
- Bulk wholesale available in master cartons
- Suitable for: Toyota specialist repair shops, commercial vehicle maintenance depots, auto parts distributors
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