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Gates K040385 Serpentine Belt - Water Pump and Alternator
| Brand | Gates K040385 |
|---|---|
| Position | Water Pump and Alternator |
| Belt Material | EPDM |
| Cord Material | Polyester |
| Cord Material | Polyester |
| Cross Section Designation | K |
| Effective Length | 38.52 |
| Effective Length | 978 |
| OE Comparison Rating | OE Performance |
| Outside Circumference | 39.09 |
| Outside Circumference | 993 |
| Rib Quantity | 4 |
| Section | K |
| Top Width | .56 |
| Top Width | 14 |
| Type | Automotive V-Ribbed Belt (Standard) |
| Type | Automotive V-Ribbed Belt (Standard) |
| Washer Pump Included | EPDM |
| Product line | Premium OE Micro-V Belt |
| Fits | Mitsubishi · 2 vehicles |
OE performance rating. Precision-fit Micro-V belt built to match OE size, construction, and materials.
EPDM belt material. Resists wear for dependable accessory drive performance.
Polyester cord reinforcement. Adds strength and stability under load.
Cross-references Bando 4PK980, Continental 4K980 and Continental 4040385 for the same application. See all 19.
Gates Premium OE Micro-V Belt for 1999 Eclipse
The Gates Premium OE Micro-V Belt K040385 is a precision-fit serpentine belt built for accessory drive systems that rely on stable belt tracking and OE-style dimensions. It is a direct-fit option for the 1999 Mitsubishi Eclipse at the water pump and alternator position, with construction that matches original equipment size, materials, and profile.
Key Features
- Gates Premium OE Micro-V Belt, part number K040385
- 4-rib automotive V-ribbed belt with K-section profile
- EPDM belt material for durability in accessory drive service
- Polyester cord reinforcement for consistent tension handling
- OE Performance rating for OE-style fit and construction
- Effective length: 38.52 in. / 978 mm
- Outside circumference: 39.09 in. / 993 mm
- Top width: 0.56 in. / 14 mm
Product Details
Gates Micro-V belts are engineered for import and domestic vehicles that need accurate belt geometry and dependable accessory drive operation. This K040385 belt follows OE size and material standards to help maintain proper drive engagement for the water pump and alternator on the 1999 Mitsubishi Eclipse. If you are searching for a 1999 Mitsubishi Eclipse serpentine belt, a Gates K040385 replacement belt, or an OE-style Micro-V belt for accessory drive service, this part matches that application.
This part cross-references Continental 4K980 and Dayco 5040385 for the same application.
What It Helps Address
- Belt squeal caused by wear, glazing, or loss of grip
- Cracking or fraying on an aging serpentine belt
- Accessory drive slip affecting alternator output
- Improper belt tracking from an incorrect OE-style replacement
- Reduced belt performance in water pump and alternator drive service
Installation Notes and Tips
Verify belt routing against the vehicle’s accessory drive diagram before installation. Inspect pulleys, tensioner condition, and alignment at the same time, since worn components can shorten belt life. Confirm the part number K040385 and the 1999 Mitsubishi Eclipse fitment before ordering or installing.
Quality Assurance
Gates builds Micro-V belts to OE-size, OE-construction, and OE-material standards for consistent fit and performance in accessory drive systems.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1999 | Mitsubishi | Eclipse | 2.0L | L4 | GAS | Water Pump and Alternator | Premium OE Micro-V Belt |
| 1999 | Mitsubishi | Eclipse | 2.4L | L4 | GAS | Water Pump and Alternator | Premium OE Micro-V Belt |
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