C
Chris W.Verified Buyer
07/05/2025
Highly recommend
Good experience overall from checkout to delivery.
DuralastDuralast 86 1/2 in Serpentine Belt 865K8
$37.99
FREE delivery · 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
- Drive superior power transmission performance through an efficient Poly V Belt design
- Enjoy extended life and long-term reliability with high tensile HMLS cord construction
- Experience quiet operation with reduced noise levels from special modulus fibre-loaded rubber
- Ensure reliable everyday performance using durable Ethylene Propylene Terpolymer (EPDM) material
- Get dependable standard replacement fitment with an 86.5-inch effective length and 8-rib configuration
Details
Product Description
Keep your engine running smoothly with the Duralast 86.5in Serpentine Belt 865K8, designed to deliver superior power transmission performance. This standard replacement belt is meticulously crafted to meet SAE standards, giving you unmatched strength, efficiency, and reliability for demanding applications. Featuring high tensile HMLS cord and special modulus fibre-loaded rubber made from Ethylene Propylene Terpolymer (EPDM), you enjoy reduced noise levels and extended life for long-term reliability. Experience enhanced efficiency with this durable 8-rib, 86.5-inch Poly V Belt. Backed by a 12-month warranty, you can tackle your maintenance with confidence.
Technical data
Product Specifications
- Part #
- 865K8
- SKU #
- 342444
- Rib Quantity
- 8
- Grade Type
- Standard Replacement
- Material
- Ethylene Propylene Terpolymer (EPDM)
- Effective Length
- 86.5 in
- Cross Section Designation
- K
- Type
- Standard
- Belt Material
- Rubber
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
4.4
Based on 31 reviews
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.
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.
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.
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.