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Description
2015-2021 Peterbilt 579 Serpentine Belt 12.9L Diesel Goodyear Belts 1120477Overview: Multi V Serpentine Belt: K Profile, 12 Ribs, 47. 7" Effective Length 1120477 Goodyear Multi V Serpentine Belt with EPDM Rubber and Balanced Twist Polyester Cord is designed to deliver outstanding durability and performance in automotive engine systems. This belt combines the resilience of EPDM rubber with the strength of balanced twist polyester cords, offering reliable performance and longevity. Goodyear Multi V Serpentine Belt with EPDM
Overview:
Multi V Serpentine Belt: K Profile, 12 Ribs, 47.7" Effective Length - 1120477
Goodyear Multi V Serpentine Belt with EPDM Rubber and Balanced Twist Polyester Cord is designed to deliver outstanding durability and performance in automotive engine systems. This belt combines the resilience of EPDM rubber with the strength of balanced twist polyester cords, offering reliable performance and longevity. Goodyear Multi V Serpentine Belt with EPDM Rubber and Balanced Twist Polyester Cord is suitable for a wide range of automotive applications, including alternators, water pumps, air conditioning compressors, and power steering systems. Upgrade to Goodyear Multi V Serpentine Belt with EPDM Rubber and Balanced Twist Polyester Cord for superior power transmission, reduced noise and vibration, and enhanced durability in automotive applications.
- EPDM Rubber Compound is known for its outstanding resistance to heat, ozone, weathering, and abrasion, ensuring long-lasting durability and performance in automotive applications.
- Balanced Twist Polyester Cord provides superior tensile strength and resistance to stretching, ensuring reliable power transmission and reduced maintenance.
- Multi V Design improves efficiency and reduces slippage, leading to enhanced performance.
- Designed to reduce noise and vibration in automotive engine systems, enhancing overall driving comfort and smoothness.
- Temperature range suitable for automotive applications, this belt maintains its performance even in extreme operating conditions.
- AutoCare recommends inspecting belts at 60,000 miles and replacing at 90,000 miles
Applications:
- Fits:
- 2014 Kenworth T660 (Position: Fan)
- 2016 Kenworth T660 (Position: Fan)
- 2016 Kenworth T680 (Position: Fan)
- 2018-2021 Kenworth T680 (Position: Fan)
- 2016-2020 Kenworth T800 (Position: Fan)
- 2016-2021 Kenworth T880 (Position: Fan)
- 2023 Kenworth T880 (Position: Fan)
- 2015-2016 Kenworth W900 (Position: Fan)
- 2016-2017 Peterbilt 365 (Position: Fan and Water Pump)
- 2020 Peterbilt 365 (Position: Fan and Water Pump)
- 2015-2016 Peterbilt 367 (Position: Fan)
- 2017 Peterbilt 367 (Position: Fan and Water Pump)
- 2015-2016 Peterbilt 384 (Position: Fan)
- 2015-2016 Peterbilt 567 (Position: Fan and Water Pump)
- 2018-2019 Peterbilt 567 (Diesel, MX-13, Position: Fan and Water Pump)
- 2020-2023 Peterbilt 567 (Position: Fan and Water Pump)
- 2015-2021 Peterbilt 579 (Position: Fan)
- 2015-2016 Peterbilt 587 (Position: Fan)
- 2017-2018 Peterbilt 587 (Diesel, MX-13, Position: Fan)
- Engine: 12.9L 787 CID Diesel
- Serpentine Belt
Specs:
| Belt Material | EPDM |
|---|---|
| Color | Black |
| Cord Material | Polyester |
| Cross Section Designation | K |
| Effective Length | 47.7 in |
| Grade Type | OE Performance |
| Number of Ribs | 12 |
| Outside Circumference (Belt): | 50.6 in |
| Rib Angle | 40 Degrees |
| Thickness | 4.2 in |
| Top Cogged | No |
| Top Width (Belt): | 42.2 in |
| Type | Serpentine Belt |
| Part Number | 1120477 |
Interchanges:
| Reference Number | Reference Name |
|---|---|
| 12K476 | AC Delco |
| 12PK1210 | Bando |
| 4120477 | Continental/ContiTech |
| 5120477 | Dayco |
| K120476 | Gates |
| K120476HD | Gates |
| 12PK1212 | Goodyear Alternate P/N |
| 12PK1212 | Interstate Mufflers Company |
| D841003121212 | Kenworth |
| OTR12K477 | OTR |
| PP12K477 | Power Products |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 1904 reviews
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Product Reviews
★★★★★ 5
Comfortable Shoes
Size: 12, Color: Navy Blazer/Ivor
This is the second time I purchased this style of shoes. They are extremely comfortable.
They can be worn on casual and business events.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Great dressy sneaker to wear with business casual or jeans
Size: 11, Color: British Tan/Ivry
I got these for my husband to wear with jeans or business casual dress pants. They look sharp and professional and dress up jeans if you're going out. He says they fit comfortably and he can walk on them all day without his feet hurting. They are beautiful genuine leather so they don't get stinky. I got my husband's normal size and they fit to size.
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Reviewed in the United States on February 11, 2026
★★★★★ 4
Comfortable
Size: 9, Color: Black/Ivory
Most comfortable and roomy shoes I ever wore. Great for insoles. Looks nice too. The base of the shoe is a bit too thick but it’s fine.
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Reviewed in the United States on September 5, 2025
★★★★★ 5
⭐️⭐️⭐️⭐️⭐️ Comfort, Style, and Performance — Perfect for Daily Runs and All-Day Wear!
Size: 11, Color: Black/Dark Smoke Grey
I purchased the Nike Men’s Quest 6 for my son, and he’s been absolutely thrilled with them. From the moment he put them on, he noticed how lightweight and supportive they felt — a great balance between cushioning and responsiveness.
He wears them both for running and casual outings, and they’ve held up beautifully. The breathable mesh upper keeps his feet cool even during longer runs, and the midsole cushioning absorbs impact nicely without feeling too soft or unstable. The grip on the outsole provides solid traction on roads and gym floors, giving confidence with every step.
Design-wise, they look sleek and modern — the classic Nike styling pairs well with both athletic and casual outfits. After several weeks of use, the shoes still look almost new, showing how well they’re built.
Pros:
✅ Lightweight yet supportive — great for running or walking
✅ Comfortable fit right out of the box
✅ Excellent breathability and cushioning
✅ Durable construction that holds up with daily use
✅ Stylish design that transitions easily from workout to casual wear
Cons:
• Runs slightly narrow, so consider sizing up if between sizes
Overall, the Nike Quest 6 offers exceptional comfort and quality for the price. My son says they’re some of the most comfortable shoes he’s ever worn — perfect for both training and everyday wear.
If you’re looking for a reliable running shoe that combines performance, durability, and style, this is an excellent choice.
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Reviewed in the United States on October 5, 2025
★★★★★ 5
Excellent Running Shoe
Size: 11, Color: Black/University Red/White
The Nike Quest 6 has been a great fit right out of the box. The sizing felt true, and the shoe wrapped comfortably without feeling tight or loose. It was easy to get a secure, natural fit from the first wear.
Quality is solid for everyday use. The materials feel well put together, and the shoe holds up nicely for walking and light running. It feels dependable and comfortable for regular wear.
What really stood out was the value. The price was much better than what I saw in retail stores, especially for a Nike shoe that performs this well. It’s an easy way to get a reliable running shoe without paying full store pricing.
Overall, it’s a comfortable, well-made shoe that delivers a lot for the cost.
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Reviewed in the United States on May 14, 2026