Dayco 5050340 serpentine belt for the 1998-2004 Toyota Tacoma 4-cylinder 2.4L or 2.7L and other vehicles drives the alternator and other engine accessories from the crankshaft pulley. Each vehicle takes one belt.
- EPDM rubber body with aramid reinforcement
- K-section cross section with straight ribs and standard rib depth
- Listed to SAE J1459 and SAE J2432
- Operating range from -42.7 C to 100 C (-45 F to 212 F)
Quick facts
- Part: Dayco 5050340 serpentine belt
- Fits: 1998-2004 Toyota Tacoma 4-cylinder 2.4L or 2.7L and other vehicles
- Position: Alternator, air conditioning, fan and alternator, water pump and alternator, alternator and water pump, air conditioning and tensioner
- Material: EPDM, aramid reinforced
- Condition: New
Cracks, fraying, missing rib sections, a glazed surface or a squeal on startup can mean a belt is worn. Before you replace the belt, rule out a seized pulley, a weak tensioner or a failing accessory bearing, since any of them can wear out a new belt as well.
Fits
Among the many vehicles that take it are the 1998-2004 Toyota Tacoma 4-cylinder 2.4L or 2.7L as a serpentine belt replacement, the 1998-2000 Toyota 4Runner 4-cylinder 2.7L and the 2020-2025 Cadillac CT5 V6 3.0L. If your car is not named here, search the "Vehicles it fits" section with your year, make and engine to see whether this Dayco serpentine belt covers it.
Specifications
Fit and size
- Position: Alternator, air conditioning, fan and alternator, water pump and alternator, alternator and water pump, air conditioning and tensioner
- Quantity per vehicle: 1
Build and materials
- Material: EPDM, aramid reinforced
- Rib profile: Straight rib
- Cross section: K-section
- Rib depth: Standard
- Standards: SAE J1459, SAE J2432
- Operating temperature: -42.7 C to 100 C (-45 F to 212 F)
- Condition: New
Interchange: 146-050870 · L51-340K5 · L36-5087 · JK5-344 · JK5-346 · 25-050340 · 25-050340HD · 25-70864
5PK860 · 5PK865 · K050340 · K050340HD · 4050340 · PK050340 · 340K5 · 50340 · 5K340
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
NA, 5PK860, 5PK865, 146-050870, K050340, K050340HD, 4050340, PK050340, 340K5, L51-340K5, L36-5087, 50340, JK5344, JK5-344, JK5-346, 25-050340, 25-050340HD, 25-70864, 5K340
Frequently Asked Questions
Is this the right fan belt for a 1998-2004 Toyota Tacoma 4-cylinder 2.4L or 2.7L?
Yes, Dayco 5050340 is listed for the 1998-2004 Toyota Tacoma 4-cylinder 2.4L or 2.7L. For other vehicles, enter your year, make and engine in the "Vehicles it fits" section.
Is a Tacoma serpentine belt the same for the 1998-2004 Toyota Tacoma 4-cylinder 2.4L or 2.7L?
Yes. Both engines are listed for this belt on the 1998-2004 Toyota Tacoma, and each truck takes one belt.
What is this Dayco drive belt made of?
Dayco 5050340 is made of EPDM with aramid reinforcement. It has a K-section cross section with straight ribs and standard rib depth.
Which standards and temperatures does the Dayco 5050340 belt list?
Dayco 5050340 is listed to SAE J1459 and SAE J2432. Its operating range runs from -42.7 C to 100 C (-45 F to 212 F).
How can I tell if a serpentine belt has worn out?
With the engine off and cool, look for cracks, fraying, missing rib sections or a glazed, shiny surface. A squeal when the engine starts can also mean a worn belt or a pulley problem.
