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Genuine Caterpillar 377-9082 Automatic Belt Tensioner. Factory quality assurance, serial-number fitment verification, and fast export dispatch.
Verified Prior to Quotation. Fitment and configuration are cross-checked against your equipment serial number.
Technical Overview
Genuine automatic drive belt tensioner Caterpillar 377-9082. Maintains constant serpentine belt tension across the alternator and water pump drive, eliminating belt slip and premature bearing wear.
Supply Assurance
We verify fitment by engine nameplate and serial number, with pre-shipment photos of original packaging.
Direct dispatch from our Chongqing hub for industrial fleets, power plants, and service centers.
Unit price, completeness, export crating, and lead time are confirmed before invoicing.
Technical Data
Reference parameters for engineering selection; exact arrangement details are confirmed prior to shipment. Manufacturer names and part numbers are used for identification reference only.
| Part Number | 377-9082 |
|---|---|
| Cross-Reference / Alternate Numbers | 3779082, CA3779082 |
| Brand | CAT (Caterpillar) |
| Category | Other Engine Parts |
| Part Name | Caterpillar Automatic Belt Tensioner |
| Dimensions | 160 × 120 × 95 mm |
| Unit Weight | 2.15 kg |
| Material / Construction | Die-cast aluminum pivot arm, sealed ball bearing, steel pulley, torsion spring |
| Tensioner Type | Automatic Spring-Loaded Serpentine Belt Tensioner |
| Pulley Width | 42 mm (for 8PK / 10PK Poly-V Belts) |
| Compatible Models | CAT C15, CAT C18, CAT C15 ACERT, CAT 345D, CAT 349D, CAT 980H, CAT D8T, C6.6 |
| Application / Fitment | For CAT C6.6 C7.1 C4.4 Engine |
Engineering Advantage
Fitment is verified against your engine model and serial number (S/N) via CAT SIS and Perkins SPI part number lookup before quotation.
Direct supersession and cross-reference lookup: send your old or alternate part number and we will confirm the latest replacement.
100% genuine original factory components in original packaging, verified by pre-shipment warehouse photos and videos.
Part numbers, laser markings, original packaging, and completeness are inspected at our warehouse prior to dispatch.
Reliable stock availability in Chongqing with fixed lead times and export-grade protective packaging.
Fitment & Cross-Reference
Logistics & Packaging
Quantity, export packaging, gross weight, and dispatch lead time are confirmed in your formal quotation.
Before You Order
Provide your engine model, engine serial number (S/N), and part number. Before issuing a formal quotation, our engineers cross-check fitment against Caterpillar SIS, Perkins SPI, or FG Wilson part number cross-reference systems.
Yes. MSDD Engine exclusively supplies 100% genuine original parts in factory-sealed packaging. Before shipment, we provide warehouse photos of original packaging, part markings, and security labels.
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