My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Caliso 400K4 Poly V Serpentine Belt - 4-Rib 40 Inch

Part of: Caliso Poly V Serpentine Belt

Other options in this family: Caliso 805K6 Caliso 410K6 Caliso 560K6 Caliso 730K6 Caliso 745K6

Manufacturer

Picture for manufacturer Caliso

Part Number

400K4
5 reviews
Sale Price

$6.52

In Stock (10+)

delivery box

Usually delivered within 2 days

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Caliso 400K4 is a K-section Poly V serpentine belt (also known as a Micro-Rib or Micro V belt) engineered for reliable accessory drive performance. With a 40-inch pitch length and 40.75-inch outside circumference, this 4-rib belt delivers consistent power transfer across automotive and light-duty accessory drive systems.

Key Specifications:

  • Belt Type: K-Section Poly V (Serpentine / Micro-Rib)
  • Number of Ribs: 4
  • Pitch Length: 40.0 inches (1,016 mm)
  • Outside Circumference: 40.75 inches (1,035 mm)
  • Belt Width: 0.56 inches (14.20 mm)

Cross-Reference Part Numbers:

  • Dayco: 5040490
  • Gates: K040490
  • Napa: 25-K040490
  • Goodyear: 4040490
  • Bando: 4PK1220

The 400K4 Poly V belt is a widely recognized industry-standard part number, making it compatible as a direct replacement for belts from major manufacturers. It is suited for accessory drive applications requiring a compact 4-rib serpentine belt profile.

Great web site

The tires received were as described on the listing. The ordering process was simple and the communication from order placement to delivery was outstanding. I would order from THMotorsports again!

When I placed my order the conformation page didn't have detailed information. I contacted custom service and they sent me a detailed invoice, they called shipping to confirm details, then sent me email to confirm. Product arrived on time as ordered.

Delivery was much sooner than expected

Awesome experience, next level customer support.

Share icon
Return Policy
Returns are easy at Autoplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy