Yimi (Guangzhou) Automotive Parts Co, Ltd
| Carton Dimensions | 15 × 12 × 10 cm |
| Payment Terms | T/T, |
| Pulley Height | 32 mm |
| Cooling Type | Engine coolant circulation |
| Delivery Time | 5-8 Work Days |
| Net Weight | 2.52 kg |
| Type | Automatic, V-ribbed belt set |
| Certifiion | ISO/TS16949 |
| Mounting Hole Alignment | Verified with CMM measurement |
| Supply Ability | 5000 pcs/month |
| Packaging Details | Neutral Package or as customers’ request |
| Outer Diameter | 75 mm |
| Material | High-strength aluminum alloy & precision bearings |
| Model Number | Toyota Hilux Dyna 2KD 1KD 2.5 3.0 D4D Diesel |
| Brand Name | YIMI |
| Place of Origin | China |
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Product Specification
| Carton Dimensions | 15 × 12 × 10 cm | Payment Terms | T/T, |
| Pulley Height | 32 mm | Cooling Type | Engine coolant circulation |
| Delivery Time | 5-8 Work Days | Net Weight | 2.52 kg |
| Type | Automatic, V-ribbed belt set | Certifiion | ISO/TS16949 |
| Mounting Hole Alignment | Verified with CMM measurement | Supply Ability | 5000 pcs/month |
| Packaging Details | Neutral Package or as customers’ request | Outer Diameter | 75 mm |
| Material | High-strength aluminum alloy & precision bearings | Model Number | Toyota Hilux Dyna 2KD 1KD 2.5 3.0 D4D Diesel |
| Brand Name | YIMI | Place of Origin | China |
| High Light | Automatic Tensioning Belt Tensioner for Toyota Hilux ，OE Replacement Belt Tensioner 16620-30020 ，Toyota Dyna 2KD Diesel Engine Belt Tensioner | ||
The belt tensioner with OEM number 16620-30020 is a critical component of the accessory drive system for a range of Toyota diesel engines. This automatic tensioner maintains the correct tension on the Poly-V/serpentine belt that drives the alternator, power steering pump, water pump, and air conditioning compressor.
This tensioner is an essential replacement part for high-mileage Toyota Hilux, Dyna, and Fortuner vehicles, particularly those equipped with the 2KD-FTV 2.5L or 1KD-FTV 3.0L D4D diesel engines.
| Part Number: | 16620-30020 | Product Name: | Belt Tensioner |
|---|---|---|---|
| Car Model: | Toyota Hilux Dyna | Engine Model: | Toyota 2KD 1KD 2.5 3.0 D4D |
| 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 | ||
| Cooling Type: | Engine coolant circulation | Installation: | Direct OEM replacement |
| Quality Standard: | OEM equivalent / ISO quality control | ||
This Toyota belt tensioner 16620-30020 directly replaces the factory component in the following configurations, primarily for diesel models:
| Model / Chassis | Engine | Years / Notes |
|---|---|---|
| Toyota Hilux (Pickup) | 2.5L Diesel | 08/2001 - 07/2005 |
| Toyota Hilux (Pickup) | 2.5L Diesel | 07/2005 - 12/2017 |
| Toyota Hilux (Pickup) | 3.0L Diesel | 07/2005 - 12/2017 |
| Toyota Hilux 8 Revo | 3.0 D4D (KUN126 4X4) | 05/2015 - 01/2018 |
| Model / Chassis | Engine | Years / Notes |
|---|---|---|
| Toyota Dyna | 2.5 D4D (KDY230) | 08/2001 - 08/2006 |
| Toyota V.U. (Utility Vehicle) | Diesel | 2001 - 2006 |
| Model / Chassis | Engine | Years / Notes |
|---|---|---|
| Toyota Fortuner | 2.5L / 3.0L Diesel | 2005 - 2015 |
The tensioner ensures the serpentine belt maintains optimal tension, which is critical for driving the water pump on these diesel engines. A failing tensioner can lead to belt slip, resulting in overheating and potential engine damage.
This is a self-adjusting tensioner. It uses a spring-loaded mechanism to automatically compensate for belt stretch and wear over time, maintaining consistent tension without manual adjustment.
Worn tensioner bearings are a common cause of chirping and squealing noises from the engine bay. Replacing the tensioner with this unit addresses the source of the noise and restores quiet engine operation.
Incorrect belt tension caused by a faulty tensioner accelerates the wear of the drive belt, pulleys, and the bearings of driven components like the alternator and power steering pump. Installing this new tensioner protects these ancillary parts.
This tensioner carries the exact Toyota part number 16620-30020. It is a direct bolt-on replacement. The supersession trail is clear: the part is equivalent to and interchangeable with other numbers in the same family, including 16620-0L011, 16620-30031, 16620-30030, and 16620-0L020.
Each batch of the Toyota belt tensioner 16620-30020 undergoes the following verifiions:
| QC Item | Verifiion Method |
|---|---|
| Material composition | Spectrographic analysis - steel and polymer grades confirmed |
| Dimensional accuracy | CMM measurement - mounting points and pulley diameter (75mm) verified |
| Bearing smoothness | Rotational torque check and noise inspection |
| Spring tension | Load testing at multiple positions - tension curve within OE specifiion |
| Full functional test (batch sampling) | Cycle testing - verifies tension consistency over repeated cycles |
| Visual inspection | 100% - no cracks, voids, or surface defects |
A certifie of conformance (COC) with batch test data is available for wholesale orders.
When to replace this tensioner:
| Symptom | Action |
|---|---|
| Chirping or squealing noise from the engine bay | Inspect and replace tensioner |
| Visible wear on the tensioner pulley | Replace tensioner |
| Drive belt is loose or showing signs of glazing | Replace tensioner and belt together |
| High-mileage vehicle (100,000+ km) with original tensioner | Consider preventive replacement |
Installation Steps (High-Level - Refer to Workshop Manual for Complete Details):
Maintenance schedule:
| Service Item | Interval |
|---|---|
| Inspect tensioner for noise or play | At every service (every 10,000-15,000 km) |
| Replace tensioner and drive belt | Every 100,000-120,000 km or when symptoms appear |
The Toyota belt tensioner 16620-30020 is an OEM-spec direct replacement for Hilux, Fortuner, and Dyna models with 2.5L and 3.0L D4D diesel engines. It restores proper belt tension, eliminates chirping noises, and protects the water pump, alternator, and power steering pump from premature wear.
Before ordering: Confirm your vehicle's model and year. This tensioner is for diesel models (2KD / 1KD engines) and is equivalent to and interchangeable with 16620-0L011, 16620-30031, 16620-30030, and 16620-0L020.
Order a sample unit today - restore your Hilux or Dyna's drive belt system with a single OE-grade tensioner.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller
Year Established:
2005
Total Annual:
8000000-10000000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Yimi (Guangzhou) Automotive Parts Co., Ltd. Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ... Yimi (Guangzhou) Automotive Parts Co., Ltd. Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ...
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