Dayco Serpentine Belt 5050505
Dayco Serpentine Belt 5050505 - view 2
Dayco Serpentine Belt 5050505
Dayco Serpentine Belt 5050505 - view 2

Dayco Serpentine Belt P/N:5050505

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$24.99
MPN: 5050505
Item Package Quantity: 1
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Dayco Serpentine Belt P/N:5050505
Dayco Serpentine Belt P/N:5050505
$24.99

Silence belt squeal and keep the accessory drive spinning with the Dayco Serpentine Belt 5050505. This single belt transfers crankshaft power to the engine's belt-driven accessories, and it drops in as a direct-fit replacement for the 2004-2009 Cadillac XLR, 1997-2000 Infiniti QX4, and 1996-2000 Nissan Pathfinder. Its cataloged routing covers the power steering and air conditioning accessories, with an air conditioning and idler routing.

  • Single-belt accessory drive: loops over the crankshaft, idler, and driven pulleys to spin the power steering and air conditioning accessories.
  • Direct-fit replacement for the listed applications.
  • Signs it may need replacing: cracking, chirping or squealing, glazing, or missing ribs on the belt.

The belt routes and loops over the accessory pulleys during installation rather than bolting on. If a worn or cracked belt is the cause of your squeal or slipping accessories, this replaces it—inspect the tensioner and pulleys as directed by the vehicle service procedure while it's off.

Interchange: 5K507 · 5PK1280 · 5PK1285 · K050505 · K050507 · 4050505 · PK050505 · PK050507 · 505K5 · 25-050505 · 25050505 · 25-050507 · 25050507 · 5K505. Manufacturer part number 5050505.

This part cross-references / interchanges with the following part numbers:

5K507, 5PK1280, 5PK1285, K050505, K050507, 4050505, PK050505, PK050507, 505K5, 25-050505, 25-050507, 5K505, 3042772, 12566964BA, 12566965, 12578060, 11920-0W00, 11920-0W000, 11920-0W001, 11920-0W002

Frequently Asked Questions

What vehicles does the Dayco 5050505 belt fit?

It's a direct-fit replacement for the 2004-2009 Cadillac XLR, 1997-2000 Infiniti QX4, and 1996-2000 Nissan Pathfinder. Check the Buyer's Guide tab to confirm your vehicle.

What does this serpentine belt do?

It's a single belt that transfers crankshaft power to the engine's belt-driven accessories—here routing the power steering and air conditioning accessories along with an idler.

How do I know when to replace the belt?

Common signs include cracking, chirping or squealing, glazing, or missing ribs. Inspect the belt if you notice any of these.

What other part numbers does this belt replace?

Interchanges include 5K507, 5PK1280, 5PK1285, K050505, K050507, 4050505, PK050505, PK050507, 505K5, 25-050505, 25-050507 and 5K505.

Does this listing include a tensioner or pulleys?

No—this listing is for the serpentine belt only. Consult the service procedure for tensioner and pulley condition when you install it.

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