Dayco 6050610 serpentine belt for the 2005-2010 Cadillac STS V8 4.6L, the 2006-2009 STS V8 4.4L and other vehicles drives the water pump, air conditioning and power steering from the engine. This Dayco serpentine belt is the main drive belt for those accessories.
Cracks, fraying or glazing on the ribs, or a squeal when the engine starts, can mean the belt is worn. Before you replace the belt, rule out a failing tensioner or a worn idler or accessory pulley, which can make a good belt squeal too.
This belt fits the 2005-2010 Cadillac STS V8 4.6L, the 2006-2009 STS V8 4.4L and the 2004-2009 Cadillac SRX V8 4.6L.
Fit and size
Build and materials
One serpentine belt. The engine takes a single belt, so this listing covers it.
Interchange: 25-D050610
5DK610 · 5DPK1550 · DK050610 · D4050610 · D5050610 · PDK050610 · 610KK5 · 2050610 · 5K610D · 610DK5MK
This part cross-references / interchanges with the following part numbers:
Does the Dayco 6050610 serpentine belt fit the 2004-2009 Cadillac SRX V8 4.6L?
Yes. Dayco 6050610 is listed for the 2004-2009 Cadillac SRX V8 4.6L, and the engine takes one belt.
Is this Dayco drive belt double sided?
Yes. Dayco 6050610 has a straight rib profile, double sided, on a double-sided K-section cross section with standard rib depth.
What is this serpentine belt made of?
This serpentine belt is made of EPDM with aramid reinforcement.
What temperature range does this belt work in?
This belt is listed for operating temperatures from -45 F to 212 F (-42.7 C to 100 C).
Is Dayco 6050610 interchangeable with 5DPK1550?
Yes. 5DPK1550 is one of the other numbers listed for Dayco 6050610, along with 25-D050610 and 5DK610.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.