Product Features

• Structure: An automatic spring-loaded tensioner with a cast aluminum housing, a precision-machined pulley, and a sealed roller bearing. The integrated spring provides constant, automatic tension adjustment.

• Performance: Maintains consistent belt tension to prevent slippage, reduce belt wear, and ensure reliable power transmission to the alternator and water pump. The sealed bearing design resists dust and contamination, ensuring long service life in harsh environments.

• Design: Directly interchangeable with original equipment tensioners, ensuring a perfect fit with the engine’s belt drive system.

Core Function

1. Automatic Tension Control: Uses an internal spring to maintain optimal belt tension, compensating for belt stretch and wear over time.

2. Vibration Damping: Absorbs belt vibration and shock loads, reducing stress on both the belt and driven components (alternator, water pump).

3. Extended Component Life: Prevents belt slippage and premature wear, extending the service life of both the belt and the tensioner itself.

Belt Tensioner 1000694241 Weichai – OEM-Grade Replacement for Heavy-Duty Engine Performance

When your Weichai-powered fleet demands uninterrupted uptime, every component in the accessory drive system matters. The Belt Tensioner 1000694241 maintains precise belt tension across the serpentine drive, preventing slippage, reducing vibration, and extending the service life of your alternator belt, A/C compressor belt, and water pump belt simultaneously. Sourced through METTLEAD Truck Parts’ factory-direct supply chain, this tensioner delivers OEM-matching quality at a procurement cost that strengthens your bottom line.

Key Features and Buyer Benefits

• OEM-Specification Fit: Engineered to match Weichai original part number 1000694241, ensuring drop-in installation without modifications or adapter brackets.
• High-Fatigue Spring Mechanism: The internal torsion spring maintains consistent clamping force between 350–450 N throughout its lifecycle, compensating for belt stretch and thermal expansion.
• Sealed Bearing Design: Double-sealed, pre-lubricated bearings resist dust, moisture, and contaminants common in mining, construction, and long-haul environments.
• Corrosion-Resistant Finish: Zinc-nickel plated arm and pulley housing withstand harsh operating conditions without surface degradation.
• Extended Service Interval: Rated for 80,000–100,000 km before inspection, reducing your fleet’s unplanned downtime and maintenance labor costs.
• Noise Reduction: Precision-machined pulley surface eliminates belt squeal and harmonic vibration at idle and under load.

For procurement managers balancing quality with cost efficiency, this belt tensioner delivers measurable value: fewer roadside failures, lower warranty claims, and a price point that outperforms aftermarket alternatives of uncertain origin.

Technical Specifications

Application Scenarios – Vehicle Compatibility

The Belt Tensioner 1000694241 serves as a critical maintenance component across multiple Chinese heavy-duty truck platforms equipped with Weichai engines:

• SINOTRUK HOWO T7H / A7: Equipped with Weichai WP12/WP13 engines for long-haul logistics and highway transport fleets.
• SINOTRUK SITRAK C7H: Premium tractor units running WP13 engines in intercity freight corridors.
• SHACMAN X3000 / F3000: Construction and mining dump trucks powered by Weichai WP10/WP12 requiring reliable accessory drive systems under heavy load cycles.
• FOTON Auman GTL: Medium-to-heavy-duty logistics vehicles utilizing Weichai powertrains for regional distribution.

Whether your fleet operates in the extreme cold of Central Asia, the dusty roads of Africa, or the humid climate of Southeast Asia, this tensioner holds firm under environmental stress and keeps your engines running without belt-related failures.

OEM/ODM Capability

• White-Label Packaging: We supply Belt Tensioner 1000694241 in neutral boxes or fully customized packaging bearing your company logo, part number, and barcode for seamless integration into your inventory system.
• Strict Quality Control: Each batch undergoes dimensional inspection, spring force testing, bearing rotation testing, and surface coating thickness verification before shipment.
• Factory-Direct Pricing: By eliminating intermediary markups, METTLEAD delivers this Weichai belt tensioner at price levels that protect your margins on resale or fleet maintenance budgets.
• Flexible MOQ: Whether you need 10 pieces for a trial order or 5,000 units for distribution stock, our production line scales to your demand.

Explore our full range of Weichai engine parts to consolidate your procurement in a single shipment and reduce per-unit logistics costs.

Frequently Asked Questions – Belt Tensioner 1000694241

What are the signs that my Belt Tensioner 1000694241 needs replacement?

A worn belt tensioner typically announces itself through audible belt squeal at startup, visible belt flutter at idle, uneven belt wear patterns, or a tensioner arm that no longer springs back smoothly. If your Weichai engine shows any of these symptoms, the tensioner has likely exceeded its fatigue life and should be replaced to prevent cascading damage to the water pump, alternator, or A/C compressor.

Is this Belt Tensioner 1000694241 identical to the Weichai original?

Yes. This belt tensioner is manufactured to OEM dimensional tolerances and material specifications matching part number 1000694241. It installs using the same bolt pattern and delivers the same spring tension force as the factory-fitted unit.

Can I replace only the belt tensioner without changing the serpentine belt?

While the tensioner can be replaced independently, best practice recommends inspecting the belt for cracking, glazing, or rib separation at the same time. A new tensioner paired with a worn belt will not perform optimally. If your belt has more than 60,000 km of service, replacing both together is the cost-effective choice.

What is the recommended replacement interval for this belt tensioner?

Under normal operating conditions, the Belt Tensioner 1000694241 is rated for 80,000–100,000 km. However, vehicles operating in extreme dust, high-temperature, or high-vibration environments (mining, construction) should inspect the tensioner at 60,000 km intervals.

Does this belt tensioner come with mounting hardware?

The tensioner ships as a complete assembly including the pulley, arm, spring, and pivot bolt. Mounting bolts to the engine block are not included as they are typically reused during replacement. Contact us if you require supplementary hardware.

Ready to Secure Your Supply of Belt Tensioner 1000694241?

METTLEAD Truck Parts keeps this Weichai belt tensioner in stock and ready for fast shipment to your warehouse, workshop, or distribution center. Our team responds to inquiries within 12 hours with pricing, lead time, and shipping options tailored to your order volume.

Contact us now
to request a quotation, ask about bulk pricing, or schedule a factory visit. Let’s build a parts supply partnership that keeps your fleet moving and your procurement costs under control.