/live/media/ZO/ZO_3K390AP_ANG.JPG)
Roadmax 3K390AP Serpentine Belt - Fan and Alternator
| Brand | Roadmax 3K390AP |
|---|---|
| Position | Fan and Alternator |
| Material | Epdm |
| Top Width | .42 |
| Top Width | 11 |
| Cord Material | Polyester |
| Cross Section Designation | K |
| Effective Length | 39.13 |
| Effective Length | 994 |
| Outside Circumference | 1006 |
| Outside Circumference | 39.625 |
| Type | Automotive v-ribbed belt (standard) |
| Rib Quantity | 3 |
| Product line | Automotive V-Ribbed Belt (Standard) |
| Fits | Toyota · 5 vehicles |
Standard V-ribbed belt. A practical replacement for accessory drive systems.
EPDM construction. Resists wear for dependable everyday service.
Polyester cord reinforcement. Helps maintain strength and stable belt performance.
Cross-references Continental 4030390, Dayco 5030390 and Drive Rite 5030390DR for the same application. See all 33.
Roadmax 3K390AP Serpentine Belt Overview
The Roadmax 3K390AP is an automotive V-ribbed belt in the standard line, built for drivers who want a practical replacement belt with quality materials. It uses EPDM construction and a polyester cord for dependable accessory drive performance in the fan and alternator drive on select Toyota Corolla applications.
Roadmax’s Automotive V-Ribbed Belt (Standard) line focuses on everyday replacement needs, offering a balanced option for budget-conscious maintenance without moving into premium belt performance levels. The 3K390AP follows the K cross-section profile and 3-rib design used in the accessory drive belt system.
Key Features
- Part number: 3K390AP
- Automotive V-ribbed belt, standard line
- EPDM belt material for durable belt construction
- Polyester cord material for reinforcement
- 3-rib design with K cross section
- Top width: 11 mm (.42 in.)
- Effective length: 994 mm (39.13 in.)
- Outside circumference: 1006 mm (39.625 in.)
- Compatible with fan and alternator drive applications on select Toyota Corolla models
Application Details
This serpentine belt is used in accessory drive belt system components and is listed for 1987 Toyota Corolla, fan and alternator, as well as 1983-1986 Toyota Corolla, fan and alternator, with A/C noted as not equipped on those earlier applications. If you are searching for a Toyota Corolla serpentine belt, Toyota Corolla accessory drive belt, or Roadmax 3K390AP replacement belt, this part matches the specified fitment and dimensions.
This part cross-references Gates K030390 and Dayco 5030390 for the same application.
What It Helps Address
- Squealing or slipping accessory drive belt noise
- Cracking, glazing, or visible wear on the belt surface
- Loss of belt tension affecting fan and alternator operation
- Replacement needs for a worn Toyota Corolla serpentine belt
- Routine maintenance on the accessory drive belt system
Installation Notes
Verify belt routing, rib count, and measured length before installation. Confirm the vehicle’s accessory drive layout matches the listed Toyota Corolla fitment, including fan and alternator position and the A/C note for 1983-1986 models. Inspect pulleys, tensioner condition, and alignment before installing the new belt to help prevent premature wear.
Quality Assurance
Roadmax positions the Automotive V-Ribbed Belt (Standard) line as a practical replacement choice for customers who want quality materials in a standard-duty belt. The EPDM construction and polyester cord support consistent service in the accessory drive system when matched to the correct application.
| Year | Make | Model | Submodel | Drive Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 1987 | Toyota | Corolla | — | — | 1.6L | L4 | GAS | Fan and Alternator | Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1986 | Toyota | Corolla | Sport SR5 | — | 1.6L | L4 | GAS | Fan and Alternator | W/A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1985 | Toyota | Corolla | Sport SR5 | — | 1.6L | L4 | GAS | Fan and Alternator | W/A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1984 | Toyota | Corolla | — | RWD | 1.6L | L4 | GAS | Fan and Alternator | W/A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1983 | Toyota | Corolla | — | — | 1.6L | L4 | GAS | Fan and Alternator | W/A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| No rows match your filter. | |||||||||