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DaycoPart #: 5040685

Dayco 5040685 Serpentine Belt - Main Drive
⚙️ 113 vehicles fit this part
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, Astro, C1500, C2500, C3500, G10, G1500, G20, G2500, G30, G3500, K1500, K2500, K3500, and Safari
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Dayco 5040685 Serpentine Belt - Main Drive
| Brand | Dayco |
| Part Number | 5040685 |
| Material | Epdm, aramid reinforced |
| Top Width | .54 |
| Color | Black |
| Effective Length | 1739.90 |
| Effective Length | 68.50 |
| Outside Circumference | 1754.13 |
| Outside Circumference | 69.06 |
| Rib Quantity | 4 |
| Cross Section | K-section |
| Maximum Operating Temperature | 100 |
| Maximum Operating Temperature | 212 |
| Minimum Operating Temperature | -42.7 |
| Minimum Operating Temperature | -45 |
| Rib Depth | Standard |
| Rib Profile | Straight rib |
| Standards | Sae j1459, sae j2432 |
This part fits 113 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1998 | Chevrolet | Astro | Main Drive | w/o P.S., w/o A.P., w/o A.C. | ||
| 1997 | Chevrolet | Astro | Main Drive | w/o P.S., w/o A.P., w/o A.C. | ||
| 1996 | Chevrolet | Astro | Main Drive | w/o P.S., w/o A.P., w/o A.C. | ||
| 1989 | Chevrolet | Astro | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | Chevrolet | C1500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | Chevrolet | C1500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | Chevrolet | C1500 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | Chevrolet | C2500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | Chevrolet | C2500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | Chevrolet | C2500 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | Chevrolet | C3500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | Chevrolet | G10 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | Chevrolet | G10 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | Chevrolet | G10 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | Chevrolet | G20 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | Chevrolet | G20 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | Chevrolet | G20 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | Chevrolet | G30 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | Chevrolet | G30 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | Chevrolet | K1500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | Chevrolet | K1500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | Chevrolet | K1500 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | Chevrolet | K2500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | Chevrolet | K2500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | Chevrolet | K2500 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | Chevrolet | K3500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | GMC | C1500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | GMC | C1500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | GMC | C1500 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | GMC | C2500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | GMC | C2500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | GMC | C2500 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | GMC | C3500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | GMC | G1500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | GMC | G1500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | GMC | G1500 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | GMC | G2500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | GMC | G2500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | GMC | G2500 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | GMC | G3500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | GMC | G3500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | GMC | K1500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | GMC | K1500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | GMC | K1500 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | GMC | K2500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | GMC | K2500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | GMC | K2500 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | GMC | K3500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1989 | GMC | Safari | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | Chevrolet | Astro | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | Chevrolet | C1500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | Chevrolet | C1500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | Chevrolet | C1500 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | Chevrolet | C2500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | Chevrolet | C2500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | Chevrolet | C2500 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | Chevrolet | C3500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | Chevrolet | G10 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | Chevrolet | G10 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | Chevrolet | G10 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | Chevrolet | G20 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | Chevrolet | G20 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | Chevrolet | G20 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | Chevrolet | G30 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | Chevrolet | G30 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | Chevrolet | K1500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | Chevrolet | K1500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | Chevrolet | K1500 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | Chevrolet | K2500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | Chevrolet | K2500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | Chevrolet | K2500 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | Chevrolet | K3500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | GMC | C1500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | GMC | C1500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | GMC | C1500 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | GMC | C2500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | GMC | C2500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | GMC | C2500 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | GMC | C3500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | GMC | G1500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | GMC | G1500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | GMC | G1500 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | GMC | G2500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | GMC | G2500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | GMC | G2500 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | GMC | G3500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | GMC | G3500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | GMC | K1500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | GMC | K1500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | GMC | K1500 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | GMC | K2500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | GMC | K2500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | GMC | K2500 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | GMC | K3500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1988 | GMC | Safari | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1987 | Chevrolet | Astro | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1987 | Chevrolet | G10 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1987 | Chevrolet | G10 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1987 | Chevrolet | G10 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1987 | Chevrolet | G20 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1987 | Chevrolet | G20 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1987 | Chevrolet | G20 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1987 | Chevrolet | G30 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1987 | Chevrolet | G30 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1987 | GMC | G1500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1987 | GMC | G1500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1987 | GMC | G1500 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1987 | GMC | G2500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1987 | GMC | G2500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1987 | GMC | G2500 | 5.0L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1987 | GMC | G3500 | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1987 | GMC | G3500 | 5.7L | V8 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
| 1987 | GMC | Safari | 4.3L | V6 | Main Drive | w/o P.S., w/o A.P., w/o A.C. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
4K685
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.