A
Alex P.Verified Buyer
01/09/2025
Fast shipping too
Impressed with the quality for the price. Will be back for more.
DuralastDuralast 77.56in Serpentine Belt 775K8
$22.49
Delivery by Oct 18
- 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
- Maximize load carrying requirements and belt life through a specialized rubber compound incorporating a high temperature polymer.
- Reduce belt stretch for reliable performance using a treated polyester cord.
- Resist heat and ozone damage effectively with durable EPDM rubber construction.
- Minimize noise from worn and misaligned pulleys with fiber-reinforced rib stock.
- Maintain dependable drive system operation with a standard replacement belt engineered to meet OEM requirements.
Details
Product Description
Keep your drive systems running dependably with the Duralast 78 in Serpentine Belt 775K8. This standard replacement multi v-belt is engineered to provide better belt-to-pulley contact, helping you maximize load carrying requirements and overall belt life. Designed to meet stringent demands, the belt features a specialized rubber compound that incorporates a high temperature polymer. It is constructed with heat and ozone resistant EPDM rubber and includes a treated polyester cord to reduce belt stretch. Fiber is added to the rib stock to reinforce the rubber and reduce noise from worn and misaligned pulleys. This 78-inch belt has an 8-rib count, a top width of 1 inch, and an operating temperature range from -45 to 265 degrees Fahrenheit. Backed by a 12 month warranty, you get long-lasting dependable belt life for your maintenance needs.
Technical data
Product Specifications
- Part #
- 775K8
- SKU #
- 165295
- Minimum Operating Temperature
- -45 Deg. F
- Maximum Operating Temperature
- 265 Deg. F
- Rib Quantity
- 8
- Outside Circumference
- 78 3/32 in
- Grade Type
- Standard Replacement
- Material
- Ethylene Propylene Terpolymer (EPDM)
- Top Width
- 1 in
- Effective Length
- 77.5 in
- Belt Material
- EPDM
- Color
- Black
- Cord Material
- Polyester
- Type
- Standard
Brand
Brand Story
Replacement parts
Parts
Duralast
Batteries, brakes, and belts in the Duralast line
Duralast is a replacement-parts brand covering batteries, brake parts, belts, and rotating electrical. District Mailing Auto carries selected Duralast items from that lineup.
Shop DuralastLineup
Under-car and under-hood
The brand covers batteries, brake parts, belts, and rotating electrical.
Application
Belts and brakes
Typical jobs include serpentine belts and disc-brake service.
Storefront
At District Mailing Auto
Shop the Duralast 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.