Heavy-Duty Micro-V Belt K080670HD

Accessory-drive belt on DD15 and MX-13 routes

Gates labels this Micro-V belt as heavy-duty fleet stock for serpentine drives that see long idle, high alternator load, and heat-soaked engine bays. The K080670HD marking is the catalog anchor when you are matching length, rib count, and width against the sticker under the hood or the failed belt laid on the bench.

Green Stripe styling in the product blurb signals the Gates heavy-duty family shops recognize on over-the-road tractors, not a paint color requirement on your chassis. The accessory drive turns the alternator, air compressor, and often the coolant pump; a shredded belt strands charging and air build together.

Listed price is $46.25 USD before tax. Ship weight is 1.1 lb, so several belts fit a small parcel order for PM lockboxes. Tax follows your ship-to rules before the order leaves our dock.

Rib seating and tensioner travel

Micro-V belts fail from rib cracking on the land side, glaze on the valleys, and chunk-out after a tensioner stops taking up stretch. Before you route a new belt, count ribs on the old belt and on the pulleys, then compare to the routing diagram for that engine package.

Release the tensioner with the correct tool so the belt seats in every valley without prying with a screwdriver tip that nick ribs. After install, spin the drive by hand where safe and confirm the belt tracks without walking off a misaligned idler.

• Replace a seized or rattling tensioner when travel is at the stop.
• Inspect idler bearings for roughness while the belt is off.
• Check alternator and compressor pulley alignment with a straightedge when wear is uneven.
• Log the routing sketch on the work order if your fleet runs mixed engine covers.

Catalog cross once

Vendor interchange on this card includes 5060670 and 25-080670 as alternate numbers fleets may see on invoices. Treat those as catalog bridges: confirm length, rib count, and effective circumference against the removed belt before you assume a clean swap.

When your stock system references Gates K080670HD, compare the part marking on the failed belt to the carton label before install. Cart and PayPal lines use SKU the cart listing at the published unit price.

Freightliner, Kenworth, Peterbilt fitment language

The fitment table publishes Freightliner, Kenworth, and Peterbilt applications with DD15 and MX-13 engine rows for the years listed above this prose. Those rows help narrow a search; they do not replace measuring the old belt or reading the under-hood diagram for your VIN.

Verify fitment using the belt marking, engine data plate, and build information when available. Mid-year pulley changes can alter effective length even when the engine family matches. We do not promise a match from make names alone.

Send photos of the routing label and old belt part stripe to support@aonetruckauto.com when the failed belt vanished on the highway. The fitment guide helps compare adjacent belt listings before you buy bulk for a mixed terminal.

Install discipline in hot bays

Belt work looks simple until an alternator bolt strips or a tensioner arm pinches a finger. Wear gloves, relieve tension smoothly, and keep fingers clear of the release path. Do not use belt dressing sprays as a substitute for a worn tensioner.

After start-up, listen for chirp at idle and watch for flutter under high alternator load. A fluttering belt often means rib slip from misalignment, not just age.

Why fleets log belt changes

Accessory drives fail in clusters when tensioners age together on a lane. A fresh belt on a weak tensioner chirps within a week and sends technicians chasing pulleys that were never the root cause. Pair belt replacement with tensioner inspection whenever the old belt shows uneven wear lands or powder at the rib roots.

DD15 and MX-13 packages often run high alternator demand for hotel loads and liftgates on regional tractors. Document amp load tests when repeat belt failures appear; electrical drag shows up as heat at the alternator pulley long before the belt snaps.

Storage and ordering

Coil belts in wide loops on a peg; sharp folds set a crease that telegraphs into early rib cracking. Keep belts away from diesel soak and ozone-heavy welder areas.

Terminal buyers bundling PM kits should separate belt cartons from sharp brake hardware in the same tote. A nick on one rib becomes a crack under heat within a few thousand miles.

Read returns and refunds before you open multiple cartons for a length experiment. Opened drive belts may be non-returnable once removed from packaging.

PayPal checkout multiplies $46.25 by the quantity you select; capture confirmation marks payment, not routing approval. Technicians still verify length on the truck.

Drive layout differences in the bay

DD15 packages often mount the alternator high where heat rises from the turbo plumbing; MX-13 layouts may route the belt past an extra idler that hides wear until the rib side cracks. Walk the full path with a light before you declare the belt alone at fault.

Fleet stickers under the hood fade; photograph a fresh routing diagram when you find a clean label and archive it in the CMMS. Night-shift techs should not guess pulley order from memory learned on a different brand last week.

When a belt fails on the road, drivers sometimes install whatever length fits tight. That emergency loop may run backwards or skip an idler. Replace with the catalog belt and restore factory routing before you close the ticket.

See the shipping policy for parcel versus freight handling. Opened or installed goods follow returns and refunds. Email support@aonetruckauto.com with VIN and stamp photos.

Sold by HEAVY TRUCK PARTS, INC. in Florida. Fitment table names are for matching parts, not OEM endorsement.