A
Alex P.Verified Buyer
01/09/2025
Fast shipping too
Impressed with the quality for the price. Will be back for more.
ACDelcoACDelco Gold 1210 mm Serpentine Belt 6K478
$59.49
FREE delivery · Delivery by Oct 20
- Free shipping over $25
- Next-business-day ship
- Easy returns
Guides & Resources
Product guides for this item are not available online yet. Contact us if you need documentation.
Shipping Information
Free shipping on orders over $25. Most items ship next business day after your order is placed.
Returns Policy
Returns are accepted when the product is in its original, unopened container. Contact us if you have questions about your order.
Product facts
About This Item
- Enjoy long-lasting performance and quiet operation through the temperature- and crack-resistant EPDM rubber construction.
- Experience efficient load transmission across accessory belt drive systems with precision dimension control of the 6-rib profile.
- Benefit from superior flexibility that allows the belt to withstand billions of topside and backside bends for extended durability.
- Maintain reliable operation thanks to a design that accepts accessory belt drive system misalignment far greater than other belts.
- Reduce loss of tension and minimize noise with quality materials built to solve problem applications.
- Get a smart, high-quality alternative to Original Equipment parts backed by a 36-month warranty.
Details
Product Description
Keep your engine running smoothly with the ACDelco Gold 1212 mm Serpentine Belt 6K478, a reliable replacement designed to drive multiple devices like the alternator, power steering pump, and water pump. This multi-ribbed serpentine belt transmits load efficiently throughout the accessory belt drive systems, allowing your engine components to operate at optimum levels. Built for long life and quiet, dependable performance, it features temperature- and crack-resistant EPDM rubber and flexible construction that easily withstands billions of bends while accepting system misalignment. Backed by a 36-month warranty, this standard replacement part meets your expectations for fit, form, and function across General Motors vehicles as well as most other makes and models.
Technical data
Product Specifications
- Part #
- 6K478
- SKU #
- 1257426
- Color
- Black
- Rib Quantity
- 6
- Outside Circumference
- 1230 mm
- Grade Type
- Standard Replacement
- Top Width
- 13/16 in
- Effective Length
- 1210 mm
- Cross Section Designation
- K
- Type
- Standard
- Material
- Ethylene Propylene Terpolymer (EPDM)
- Belt Material
- EPDM
Brand
Brand Story
Since 1974
Brakes
ACDelco
General Motors’ service-parts brand
ACDelco is General Motors’ aftermarket parts brand, formed in 1974 from the AC Spark Plug and United Delco businesses. The line covers batteries, brakes, filters, and ignition parts sold at District Mailing Auto.
Shop ACDelcoHeritage
1974
GM combined the AC Spark Plug and United Delco businesses under the ACDelco name in 1974.
Parts
Service lineup
The brand covers batteries, brake parts, filters, and ignition components.
Storefront
At District Mailing Auto
Shop the ACDelco products currently in the catalog.
Customer Reviews
4.5
Based on 15 reviews
S
Sam T.Verified Buyer
03/22/2025
Great quality
Exactly as described. Good value and I would order again.
R
Riley N.Verified Buyer
06/08/2025
No complaints
Quick delivery and the product exceeded my expectations.
M
Maria K.Verified Buyer
08/17/2025
Would buy again
Does what it is supposed to do. Happy with this purchase.
T
Ted R.Verified Buyer
02/03/2025
Works perfectly
Setup was simple and it has worked reliably since day one.
P
Pat M.Verified Buyer
11/28/2025
Better than expected
Reliable product and smooth buying experience on this site.
C
Chris W.Verified Buyer
07/05/2025
Highly recommend
Good experience overall from checkout to delivery.
J
Jordan L.Verified Buyer
04/15/2025
Very happy with this
Packaging was secure and the item was in perfect condition.
E
Emma S.Verified Buyer
12/14/2025
Exactly what I needed
Easy to order and arrived quickly. Product matched the listing and works great.
D
Dana H.Verified Buyer
10/02/2025
Solid purchase
Quality feels premium and it fits my needs well.
A
Alex P.Verified Buyer
01/09/2025
Fast shipping too
Impressed with the quality for the price. Will be back for more.
S
Sam T.Verified Buyer
03/22/2025
Great quality
Exactly as described. Good value and I would order again.
R
Riley N.Verified Buyer
06/08/2025
No complaints
Quick delivery and the product exceeded my expectations.
M
Maria K.Verified Buyer
08/17/2025
Would buy again
Does what it is supposed to do. Happy with this purchase.
T
Ted R.Verified Buyer
02/03/2025
Works perfectly
Setup was simple and it has worked reliably since day one.