Steel tensioner pulley 3691255 for diesel engine belt systems in excavators.
OEM Match: Interchangeable with original part number 3691255.
High Strength Steel: Made for durability and long-term tension maintenance.
Low-Noise Operation: Designed with smooth bearings for stable rotation.
Corrosion-Resistant Coating: Protected against heat and fluid exposure.
Universal Application: Fits a variety of construction equipment belt systems.
The 3691255 Belt Tensioner Pulley plays a vital role in maintaining the correct tension of the drive belt in diesel engine systems commonly used in construction machinery. Built from high-strength steel and featuring sealed precision bearings, this component ensures smooth belt operation, minimizes vibration, and extends the service life of related parts like alternators and water pumps. Designed for use in tough working environments, it resists deformation and heat. This pulley is ideal for B2B clients including machinery dealers, engine rebuilders, and maintenance service providers requiring stable quality and fast delivery.
| Attribute | Specification |
|---|---|
| Part Name | Tensioner Pulley |
| OEM Part Number | 3691255 |
| YNF Part Number | YNF16783 |
| Application Area | Diesel Engine Drive Belt |
| Material | Heat-treated Steel |
| Bearing Type | Sealed Ball Bearing |
| Surface Finish | Anti-corrosion coating |
| Condition | 100% New |
| Brand | YNF |
| MOQ | 10 Pieces |
| Origin | China |
| Packaging | Carton or Wooden Box |
| Shipping Methods | Sea, Air, Express |
| Payment Methods | T/T, L/C, PayPal |
| Industry Segment | Application Purpose |
|---|---|
| Construction Equipment | Keeps engine drive belt at optimal tension |
| Diesel Engine Repair | Essential component in engine rebuilds |
| B2B Parts Distributors | Fast-moving item for excavator accessories |
| Power System Servicing | Ensures belt stability for alternators/pumps |
Related Products:
Diesel engine alternator pulley
Excavator belt tensioner bracket
Idler pulleys for heavy-duty engines
Belt drive maintenance kits
FAQs:
Q: Does this pulley come with bearings pre-installed?
A: Yes, it includes factory-installed sealed bearings.
Q: Can I order mixed pulley types together?
A: Yes, bulk orders with mixed SKUs are supported.
Q: What’s the lead time?
A: Normally 3-7 days for stock orders; customized packing takes longer.
YNF Machinery supplies 3691255 tensioner pulleys to help you maintain high-efficiency belt-driven systems in excavators and heavy equipment. With reliable performance and wide compatibility, this part is a must-stock item for dealers and service networks. Contact us now for a competitive quote and get priority shipping on bulk orders.
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