We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
White DAYCO serpentine belt, ribbed rubber loop, 38.46 in long, 0.54 in wide

DAYCO

DAYCO 5040378 Serpentine Belt 4PK0960 38.46 In

SKU CH-HGXB-KCK36

Heavy-duty serpentine belt with 38.46 in outside length and 0.54 in top width

  • Product colorWhite
  • DAYCO serpentine belt fits 4PK0960 applications
  • Heavy-duty construction resists wear on demanding engines
  • Exact 38.46 in outside length ensures proper tension
  • 54 in top width matches OE pulley grooves
  • Industry-standard 4PK0960 designation simplifies cross-referencing

Vehicle fit and purpose

The DAYCO 5040378 serpentine belt carries industry number 4PK0960 and is built for heavy-duty engine accessory drives. It suits repair shops and DIY technicians who need a direct-replacement belt for the specified application.

Sustained load behaviour

The belt maintains grip on the pulley system across its 38.46 in outside length during continuous operation. Its 0.54 in top width distributes tension evenly so the drive stays consistent through extended running periods.

Thermals noise and power draw

Rubber construction runs quietly without adding measurable parasitic load to the engine. Normal use produces no noticeable heat buildup or vibration beyond standard accessory-drive levels.

How it compares

Measured against everything we stock in Engine Service & Diagnostic Tools, at today’s prices. Recalculated every night.

Price $22.99
Pricier than about 56% of the 1,113 comparable items (median $19.99).

Specifications

Product
Brand nameDAYCO
Product colorWhite

Questions about this item

How much power does the 4PK0960 belt draw when running all day?

A serpentine belt transmits engine power to accessories; it does not draw electricity itself.

What must I already own for the DAYCO 5040378 to work?

You need a compatible engine with pulleys spaced for a 38.46 in outside length and 0.54 in top width.

Will the 4PK0960 fit older pulleys I plan to keep?

It fits any pulley set that matches the industry 4PK0960 profile and the 38.46 in length spec.

More in Engine Service & Diagnostic Tools

Similar items