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21719386 - Belt tensioner
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Verified OEM Cross-Reference

21719386 - Belt tensioner

PRODUCT OVERVIEW

High-precision belt tensioner manufactured as a direct interchange for OEM numbers 21719386. Engineered for heavy-duty commercial vehicle applications (Volvo Volvo Bus 9/11/12/13 (D/DH engine), Volvo Volvo Bus B 5/6/7/8), ensuring optimal operational performance and long service life.

OEM Ref: 21719386 Klötze No: KT10373

Technical Description

What function does this part serve?

The Belt tensioner (Interchangeable OE: 21719386) absorbs vibration, minimizes surface wear, and guarantees operational integrity across commercial heavy-duty systems.

System Compatibility

Precision-engineered to match OEM parameters for Volvo Volvo Bus 9/11/12/13 (D/DH engine), Volvo Volvo Bus B 5/6/7/8 fleets, providing drop-in fitment without requiring mechanical adjustments.

Assembly & Maintenance Guidelines

Ensure mounting surfaces are free of debris prior to installation. Tighten all fasteners according to original vehicle manufacturer torque specifications.

OE Interchangeability

Designed as an exact cross-reference replacement for OEM codes including 21719386. Reference item catalog ID: KT10373.

Compatible Cross Reference OEM Numbers

Total Brands: 1

Compatible Vehicle Applications

This OEM replacement part is suitable for the following commercial vehicle platforms & models:

Volvo Volvo Bus 9/11/12/13 (D/DH engine)
Volvo Volvo Bus B 5/6/7/8

Frequently Asked Questions

This product directly replaces major OEM numbers including 21719386. See the complete OEM cross-reference table below.
The Belt tensioner is engineered to minimize mechanical friction, withstand high pressure/thermal wear, and ensure seamless system durability in Volvo Volvo Bus 9/11/12/13 (D/DH engine), Volvo Volvo Bus B 5/6/7/8 commercial fleets.
Yes, it is precision-engineered for Volvo Volvo Bus 9/11/12/13 (D/DH engine), Volvo Volvo Bus B 5/6/7/8 heavy-duty commercial applications. You can cross-check with your original OE number 21719386 for exact match.
Increased vibration, mechanical clearance play, surface pitting, or unexpected noise during operation indicate it is time to replace the component during routine maintenance.
You can click our direct WhatsApp inquiry button or copy the page link and send it directly to our sales department along with your target OEM reference numbers.

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Original equipment part numbers (OEM) and brand names are used purely for cross-reference and identification purposes. All product specifications are verified against OEM technical drawings.
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