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Dayco 15420 Accessory Drive Belt
| Brand | Dayco 15420 |
|---|---|
| Position | Fan and Power Steering |
| Angle | 36 |
| Belt Construction | Top Cog |
| Color | Black |
| Effective Length | 42 |
| Effective Length | 1066.80 |
| Material | Synthetic Rubber Compound |
| Maximum Operating Temperature | 79.4 |
| Maximum Operating Temperature | 175 |
| Minimum Operating Temperature | -37.2 |
| Minimum Operating Temperature | -35 |
| Outside Circumference | 42.57 |
| Outside Circumference | 1081.28 |
| Standards | SAE J636, SAE J637 |
| Top Width | .44 |
| Fits | Chevrolet, Buick, Dodge, GMC, Oldsmobile, Plymouth, Pontiac, Ford, Chrysler, and Honda · 152 vehicles |
Top-cog construction. Helps the belt flex smoothly for reliable accessory drive performance.
Synthetic rubber compound. Built for durable, consistent operation in demanding conditions.
SAE J636, J637. Meets recognized industry standards for accessory drive belts.
Cross-references ACDelco 15420, Atlas 742 and Atlas 5420 for the same application. See all 37.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Accessory Drive Belt for OE-Style Fitment
The Dayco 15420 accessory drive belt is built for accessory drive systems that need a reliable, OE-style replacement belt. With a synthetic rubber compound, top-cog construction, and a black finish, it is made for steady operation across a wide temperature range in fan, alternator, power steering, and air pump applications.
Fits a broad range of classic Chevrolet, Ford, Buick, Pontiac, Oldsmobile, Chrysler, Dodge, Plymouth, and Honda applications, including 1985-1986 Ford F-150 fan and alternator setups and 1985-1987 Chevrolet Caprice fan and power steering applications.
- Dayco accessory drive belt, part number 15420
- Synthetic rubber compound for durable belt construction
- Top-cog design for flexible operation in accessory drive systems
- 0.44 in. top width for the specified belt application
- 42 in. effective length and 42.57 in. outside circumference
- 36-degree angle profile
- Operating temperature range from -35 to 175 degrees
- Built to SAE J636 and SAE J637 standards
Fitment Details
This belt fits confirmed applications across multiple makes and models. It is listed for fan and power steering, fan and alternator, fan, alternator and air conditioning, water pump and alternator, and alternator and air pump positions depending on vehicle configuration.
- Fits 1988 Chevrolet Monte Carlo, fan and power steering; w/o A.C., 42 in. belt.
- Fits 1985-1986 Chevrolet Monte Carlo, fan and power steering; w/o A.C., 42 in. belt.
- Fits 1987 Buick Regal, fan and power steering; fits vehicles without air conditioning.
- Fits 1985-1987 Chevrolet Caprice, fan and power steering; w/o A.C., 42 1/2 in. belt.
- Fits 1986-1987 Chevrolet El Camino, fan and power steering; w/o A.C., 42 in. belt.
- Fits 1984-1987 Dodge Caravan, power steering.
- Fits 1984-1987 Plymouth Voyager, power steering.
- Fits 1985-1986 Ford F-150, fan and alternator; w/40, 60 Amp Alt., w/o A.C.
- Fits 1985-1986 Ford Bronco, fan and alternator; w/40, 60 Amp Alt., w/o A.C.
- Fits 1982-1985 Chrysler LeBaron, power steering.
- Fits 1979-1980 Buick Century, fan and alternator.
- Fits 1979 Chevrolet El Camino, fan, alternator and air conditioning.
What This Belt Helps Address
- Squealing or slipping accessory drive belt noise
- Loss of belt tension in fan, alternator, or power steering drive systems
- Cracking, glazing, or wear on an aging V-belt replacement
- Accessory drive issues on vehicles without air conditioning
- Fitment needs for classic Chevrolet Monte Carlo, Ford F-Series, and Buick Regal applications
Installation Notes and Tips
Verify the belt length, width, and application notes before installation. This Dayco 15420 belt is specified for vehicles with exact accessory configurations, including no-A/C setups and alternator output notes on certain Ford applications. Confirm pulley alignment and belt routing during service, and compare the removed belt to the listed effective length and outside circumference when possible.
Quality Assurance
Dayco manufactures this belt to SAE J636 and SAE J637 standards for accessory drive belt applications. The 15420 part number also cross-references Gates 7420 for the same application.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1988 | Chevrolet | Monte Carlo | 5.0L | V8 | — | Fan and Power Steering | w/o A.C., 42 In. Belt |
| 1987 | Buick | Regal | 5.0L | V8 | — | Fan and Power Steering | Fits vehicles without air conditioning. |
| 1987 | Chevrolet | Caprice | 4.3L | V6 | — | Fan and Power Steering | w/o A.C., 42 1/2 In. Belt |
| 1987 | Chevrolet | Caprice | 5.7L | V8 | — | Fan and Power Steering | w/o A.C., 42 1/2 In. Belt |
| 1987 | Chevrolet | Caprice | 5.0L | V8 | — | Fan and Power Steering | w/o A.C., 42 1/2 In. Belt |
| 1987 | Chevrolet | El Camino | 5.0L | V8 | — | Fan and Power Steering | w/o A.C., 42 In. Belt |
| 1987 | Chevrolet | Monte Carlo | 5.0L | V8 | — | Fan and Power Steering | Fits vehicles without air conditioning. |
| 1987 | Dodge | Caravan | 2.6L | L4 | — | Power Steering | — |
| 1987 | Oldsmobile | Cutlass | 5.0L | V8 | — | Fan and Power Steering | Fits vehicles without air conditioning. |
| 1987 | Oldsmobile | Cutlass Supreme | 5.0L | V8 | — | Fan and Power Steering | Fits vehicles without air conditioning. |
| 1987 | Plymouth | Voyager | 2.6L | L4 | — | Power Steering | — |
| 1987 | Pontiac | Grand Prix | 5.0L | V8 | — | Fan and Power Steering | Fits vehicles without air conditioning. |
| 1986 | Buick | Regal | 5.0L | V8 | — | Fan and Power Steering | w/o A.C., 42 In. Belt |
| 1986 | Chevrolet | Caprice | 4.3L | V6 | — | Fan and Power Steering | w/o A.C., 42 1/2 In. Belt |
| 1986 | Chevrolet | Caprice | 5.7L | V8 | — | Fan and Power Steering | w/o A.C., 42 In. Belt |
| 1986 | Chevrolet | Caprice | 5.0L | V8 | — | Fan and Power Steering | Fits vehicles without air conditioning. |
| 1986 | Chevrolet | El Camino | 5.0L | V8 | — | Fan and Power Steering | w/o A.C., 42 In. Belt |
| 1986 | Chevrolet | Monte Carlo | 5.0L | V8 | — | Fan and Power Steering | w/o A.C., 42 In. Belt |
| 1986 | Dodge | Caravan | 2.6L | L4 | — | Power Steering | — |
| 1986 | Ford | Bronco | 4.9L | L6 | — | Fan and Alternator | w/40, 60 Amp Alt., w/o A.C. |
| 1986 | Ford | E-150 Econoline | 4.9L | L6 | — | Fan and Alternator | w/40, 60 Amp Alt., w/o A.C. |
| 1986 | Ford | E-150 Econoline Club Wagon | 4.9L | L6 | — | Fan and Alternator | w/40, 60 Amp Alt., w/o A.C. |
| 1986 | Ford | E-250 Econoline | 4.9L | L6 | — | Fan and Alternator | w/40, 60 Amp Alt., w/o A.C. |
| 1986 | Ford | E-250 Econoline Club Wagon | 4.9L | L6 | — | Fan and Alternator | w/40, 60 Amp Alt., w/o A.C. |
| 1986 | Ford | E-350 Econoline | 4.9L | L6 | — | Fan and Alternator | w/40, 60 Amp Alt., w/o A.C. |
| 1986 | Ford | E-350 Econoline Club Wagon | 4.9L | L6 | — | Fan and Alternator | w/40, 60 Amp Alt., w/o A.C. |
| 1986 | Ford | F-150 | 4.9L | L6 | — | Fan and Alternator | w/40, 60 Amp Alt., w/o A.C. |
| 1986 | Ford | F-250 | 4.9L | L6 | — | Fan and Alternator | w/40, 60 Amp Alt., w/o A.C. |
| 1986 | Ford | F-350 | 4.9L | L6 | — | Fan and Alternator | w/40, 60 Amp Alt., w/o A.C. |
| 1986 | Oldsmobile | Cutlass | — | — | — | Fan and Power Steering | w/o A.C., 42 In. Belt |
| 1986 | Oldsmobile | Cutlass Supreme | 5.0L | V8 | — | Fan and Power Steering | w/o A.C., 42 In. Belt |
| 1986 | Plymouth | Voyager | 2.6L | L4 | — | Power Steering | — |
| 1986 | Pontiac | Bonneville | 5.0L | V8 | — | Fan and Power Steering | w/o A.C., 42 In. Belt |
| 1986 | Pontiac | Grand Prix | 5.0L | V8 | — | Fan and Power Steering | Fits vehicles without air conditioning. |
| 1986 | Pontiac | Parisienne | 4.3L | V6 | — | Fan and Power Steering | w/o A.C., 42 1/2 In. Belt |
| 1986 | Pontiac | Parisienne | 5.0L | V8 | — | Fan and Power Steering | w/o A.C., 42 In. Belt |
| 1985 | Chevrolet | Caprice | 4.3L | V6 | — | Fan and Power Steering | w/o A.C., 42 1/2 In. Belt |
| 1985 | Chevrolet | Caprice | 5.7L | V8 | GAS | Fan and Power Steering | w/o A.C., 42 In. Belt |
| 1985 | Chevrolet | Caprice | 5.0L | V8 | — | Fan and Power Steering | w/o A.C., 42 In. Belt |
| 1985 | Chevrolet | El Camino | 5.0L | V8 | — | Power Steering | w/o A.C., 42 In. Belt |
| 1985 | Chevrolet | Impala | 4.3L | V6 | — | Fan and Power Steering | w/o A.C., 42 1/2 In. Belt |
| 1985 | Chevrolet | Impala | 5.7L | V8 | GAS | Fan and Power Steering | w/o A.C., 42 In. Belt |
| 1985 | Chevrolet | Impala | 5.0L | V8 | — | Fan and Power Steering | w/o A.C., 42 In. Belt |
| 1985 | Chevrolet | Monte Carlo | 5.0L | V8 | — | Fan and Power Steering | w/o A.C., 42 In. Belt |
| 1985 | Chrysler | LeBaron | 2.6L | L4 | — | Power Steering | — |
| 1985 | Chrysler | New Yorker | 2.6L | L4 | — | Power Steering | — |
| 1985 | Chrysler | Town & Country | 2.6L | L4 | — | Power Steering | — |
| 1985 | Dodge | 600 | 2.6L | L4 | — | Power Steering | — |
| 1985 | Dodge | Aries | 2.6L | L4 | — | Power Steering | — |
| 1985 | Dodge | Caravan | 2.6L | L4 | — | Power Steering | — |
| 1985 | Ford | Bronco | 4.9L | L6 | — | Fan and Alternator | w/40, 60 Amp Alt., w/o A.C. |
| 1985 | Ford | E-150 Econoline | 4.9L | L6 | — | Fan and Alternator | w/40, 60 Amp Alt., w/o A.C. |
| 1985 | Ford | E-150 Econoline Club Wagon | 4.9L | L6 | — | Fan and Alternator | w/40, 60 Amp Alt., w/o A.C. |
| 1985 | Ford | E-250 Econoline | 4.9L | L6 | — | Fan and Alternator | w/40, 60 Amp Alt., w/o A.C. |
| 1985 | Ford | E-250 Econoline Club Wagon | 4.9L | L6 | — | Fan and Alternator | w/40, 60 Amp Alt., w/o A.C. |
| 1985 | Ford | E-350 Econoline | 4.9L | L6 | — | Fan and Alternator | w/40, 60 Amp Alt., w/o A.C. |
| 1985 | Ford | E-350 Econoline Club Wagon | 4.9L | L6 | — | Fan and Alternator | w/40, 60 Amp Alt., w/o A.C. |
| 1985 | Ford | F-150 | 4.9L | L6 | — | Fan and Alternator | w/40, 60 Amp Alt., w/o A.C. |
| 1985 | Ford | F-250 | 4.9L | L6 | — | Fan and Alternator | w/40, 60 Amp Alt., w/o A.C. |
| 1985 | Ford | F-350 | 4.9L | L6 | — | Fan and Alternator | w/40, 60 Amp Alt., w/o A.C. |
| 1985 | Plymouth | Reliant | 2.6L | L4 | — | Power Steering | — |
| 1985 | Plymouth | Voyager | 2.6L | L4 | — | Power Steering | — |
| 1985 | Pontiac | Bonneville | 5.0L | V8 | — | Fan and Power Steering | w/o A.C., 42 In. Belt |
| 1985 | Pontiac | Grand Prix | 5.0L | V8 | — | Fan and Power Steering | w/o A.C., 42 In. Belt |
| 1985 | Pontiac | Parisienne | 4.3L | V6 | — | Fan and Power Steering | w/o A.C., 42 1/2 In. Belt |
| 1985 | Pontiac | Parisienne | 5.0L | V8 | — | Fan and Power Steering | w/o A.C., 42 In. Belt |
| 1984 | Chevrolet | Caprice | 3.8L | V6 | — | Fan and Power Steering | w/66, 70, 80 Amp Alt., w/o A.C. |
| 1984 | Chevrolet | Caprice | 5.0L | V8 | — | Fan and Power Steering | w/66, 70, 80 Amp Alt., w/o A.C. |
| 1984 | Chevrolet | El Camino | 3.8L | V6 | — | Fan and Power Steering | w/70, 80 Amp Alt., w/o A.C. |
| 1984 | Chevrolet | El Camino | 5.0L | V8 | — | Fan and Power Steering | w/70, 80 Amp Alt., w/o A.C. |
| 1984 | Chevrolet | Impala | 3.8L | V6 | — | Fan and Power Steering | w/66, 70, 80 Amp Alt., w/o A.C. |
| 1984 | Chevrolet | Impala | 5.7L | V8 | GAS | Fan and Power Steering | w/66, 70, 80 Amp Alt., w/o A.C. |
| 1984 | Chevrolet | Impala | 5.0L | V8 | — | Fan and Power Steering | w/66, 70, 80 Amp Alt., w/o A.C. |
| 1984 | Chevrolet | Monte Carlo | 3.8L | V6 | — | Fan and Power Steering | w/70, 80 Amp Alt., w/o A.C. |
| 1984 | Chevrolet | Monte Carlo | 5.0L | V8 | — | Fan and Power Steering | w/70, 80 Amp Alt., w/o A.C. |
| 1984 | Chrysler | LeBaron | 2.6L | L4 | — | Power Steering | — |
| 1984 | Chrysler | New Yorker | 2.6L | L4 | — | Power Steering | — |
| 1984 | Chrysler | Town & Country | 2.6L | L4 | — | Power Steering | — |
| 1984 | Dodge | 600 | 2.6L | L4 | — | Power Steering | — |
| 1984 | Dodge | Aries | 2.6L | L4 | — | Power Steering | — |
| 1984 | Dodge | Caravan | 2.6L | L4 | — | Power Steering | — |
| 1984 | Oldsmobile | Cutlass Calais | 5.0L | V8 | — | Fan and Power Steering | w/70, 80 Amp Alt., w/o A.C. |
| 1984 | Plymouth | Reliant | 2.6L | L4 | — | Power Steering | — |
| 1984 | Plymouth | Voyager | 2.6L | L4 | — | Power Steering | — |
| 1984 | Pontiac | Bonneville | 5.0L | V8 | — | Fan and Power Steering | w/70, 80 Amp Alt., w/o A.C. |
| 1984 | Pontiac | Grand Prix | 5.0L | V8 | — | Fan and Power Steering | w/70, 80 Amp Alt., w/o A.C. |
| 1984 | Pontiac | Parisienne | 5.0L | V8 | — | Fan and Power Steering | w/66, 70, 80 Amp Alt., w/o A.C. |
| 1983 | Buick | Regal | 3.8L | V6 | — | Fan and Alternator | w/o 70 Amp Alt. |
| 1983 | Chevrolet | Caprice | 3.8L | V6 | — | Power Steering | w/66, 70, 80 Amp Alt., w/o A.C. |
| 1983 | Chevrolet | Caprice | 5.0L | V8 | — | Power Steering | w/66, 70, 80 Amp Alt., w/o A.C. |
| 1983 | Chevrolet | El Camino | 3.8L | V6 | — | Fan and Power Steering | w/70, 80 Amp Alt., w/o A.C. |
| 1983 | Chevrolet | El Camino | 5.0L | V8 | — | Fan and Power Steering | w/70, 80 Amp Alt., w/o A.C. |
| 1983 | Chevrolet | Impala | 3.8L | V6 | — | Power Steering | w/66, 70, 80 Amp Alt., w/o A.C. |
| 1983 | Chevrolet | Impala | 5.7L | V8 | GAS | Power Steering | w/66, 70, 80 Amp Alt., w/o A.C. |
| 1983 | Chevrolet | Impala | 5.0L | V8 | — | Power Steering | w/66, 70, 80 Amp Alt., w/o A.C. |
| 1983 | Chevrolet | Malibu | 3.8L | V6 | — | Power Steering | w/70, 78 Amp Alt., w/o A.C. |
| 1983 | Chevrolet | Malibu | 5.0L | V8 | — | Fan and Power Steering | w/70, 80 Amp Alt., w/o A.C. |
| 1983 | Chevrolet | Monte Carlo | 3.8L | V6 | — | Fan and Power Steering | w/70, 80 Amp Alt., w/o A.C. |
| 1983 | Chevrolet | Monte Carlo | 5.0L | V8 | — | Fan and Power Steering | w/70, 80 Amp Alt., w/o A.C. |
| 1983 | Chrysler | LeBaron | 2.6L | L4 | — | Power Steering | — |
| 1983 | Chrysler | New Yorker | 2.6L | L4 | — | Power Steering | — |
| 1983 | Chrysler | Town & Country | 2.6L | L4 | — | Power Steering | — |
| 1983 | Dodge | 600 | 2.6L | L4 | — | Power Steering | — |
| 1983 | Dodge | Aries | 2.6L | L4 | — | Power Steering | — |
| 1983 | Plymouth | Reliant | 2.6L | L4 | — | Power Steering | — |
| 1983 | Pontiac | Bonneville | 5.0L | V8 | — | Power Steering | w/66, 70, 80 Amp Alt., w/o A.C. |
| 1983 | Pontiac | Grand LeMans | 5.0L | V8 | — | Fan and Power Steering | w/70, 80 Amp Alt., w/o A.C. |
| 1983 | Pontiac | Grand Prix | 5.0L | V8 | — | Power Steering | w/70, 80 Amp Alt., w/o A.C. |
| 1983 | Pontiac | Parisienne | 5.0L | V8 | — | Power Steering | w/66, 70, 80 Amp Alt., w/o A.C. |
| 1982 | Buick | Regal | 3.8L | V6 | — | Fan and Alternator | w/o 70 Amp Alt. |
| 1982 | Chrysler | LeBaron | 2.6L | L4 | — | Power Steering | — |
| 1982 | Dodge | Aries | 2.6L | L4 | — | Power Steering | — |
| 1982 | Plymouth | Reliant | 2.6L | L4 | — | Power Steering | — |
| 1981 | Buick | Regal | 3.8L | V6 | — | Fan and Alternator | w/o 70 Amp Alt. |
| 1981 | Chevrolet | Monte Carlo | 3.8L | V6 | — | Fan and Alternator | w/o 70 Amp Alt. |
| 1981 | Dodge | Aries | 2.6L | L4 | — | Power Steering | — |
| 1981 | Plymouth | Reliant | 2.6L | L4 | — | Power Steering | — |
| 1980 | Buick | Century | 3.8L | V6 | — | Fan and Alternator | — |
| 1980 | Buick | LeSabre | 3.8L | V6 | — | Fan and Alternator | — |
| 1980 | Buick | Regal | 3.8L | V6 | — | Power Steering | — |
| 1980 | Buick | Regal | 3.8L | V6 | — | Fan and Alternator | — |
| 1980 | Buick | Skyhawk | — | — | — | Fan and Alternator | Compatible with vehicles containing air conditioning. |
| 1980 | Chevrolet | Monte Carlo | 3.8L | V6 | — | Fan and Alternator | — |
| 1980 | Chevrolet | Monza | 3.8L | V6 | — | Fan and Alternator | Compatible with vehicles containing air conditioning. |
| 1980 | Oldsmobile | Starfire | 3.8L | V6 | — | Fan and Alternator | Compatible with vehicles containing air conditioning. |
| 1980 | Pontiac | Sunbird | 3.8L | V6 | — | Fan and Alternator | Compatible with vehicles containing air conditioning. |
| 1979 | Buick | Century | 3.8L | V6 | — | Fan and Alternator | Compatible with vehicles containing air conditioning. |
| 1979 | Buick | Century | 3.8L | V6 | — | Fan and Alternator | — |
| 1979 | Buick | LeSabre | 3.8L | V6 | — | Fan and Alternator | — |
| 1979 | Buick | Regal | 3.8L | V6 | — | Fan and Alternator | Compatible with vehicles containing air conditioning. |
| 1979 | Buick | Regal | 3.8L | V6 | — | Fan and Alternator | — |
| 1979 | Buick | Skyhawk | — | — | — | Fan and Alternator | Compatible with vehicles equipped with Automatic Transmission and Air Conditioning. |
| 1979 | Chevrolet | El Camino | 3.8L | V6 | — | Fan, Alternator and Air Conditioning | — |
| 1979 | Chevrolet | Malibu | 3.8L | V6 | — | Fan and Alternator | Compatible with vehicles containing air conditioning. |
| 1979 | Chevrolet | Monte Carlo | 3.8L | V6 | — | Fan and Alternator | Compatible with vehicles containing air conditioning. |
| 1979 | Chevrolet | Monza | 3.8L | V6 | — | Fan and Alternator | Compatible with vehicles containing air conditioning. |
| 1979 | Honda | Prelude | — | — | — | Water Pump and Alternator | Compatible with vehicles containing air conditioning. |
| 1979 | Oldsmobile | Cutlass | 3.8L | V6 | — | Fan and Alternator | Compatible with vehicles containing air conditioning. |
| 1979 | Oldsmobile | Cutlass Calais | 3.8L | V6 | — | Fan and Alternator | Compatible with vehicles containing air conditioning. |
| 1979 | Oldsmobile | Cutlass Salon | 3.8L | V6 | — | Fan and Alternator | Compatible with vehicles containing air conditioning. |
| 1979 | Oldsmobile | Cutlass Supreme | 3.8L | V6 | — | Fan and Alternator | Compatible with vehicles containing air conditioning. |
| 1979 | Oldsmobile | Starfire | 3.8L | V6 | — | Fan and Alternator | Compatible with vehicles equipped with Automatic Transmission and Air Conditioning. |
| 1979 | Pontiac | Grand LeMans | 3.8L | V6 | — | Fan and Alternator | Compatible with vehicles containing air conditioning. |
| 1979 | Pontiac | Grand Prix | 3.8L | V6 | — | Fan and Alternator | Compatible with vehicles containing air conditioning. |
| 1979 | Pontiac | LeMans | 3.8L | V6 | — | Fan and Alternator | Compatible with vehicles containing air conditioning. |
| 1979 | Pontiac | Sunbird | 3.8L | V6 | — | Fan and Alternator | Compatible with vehicles equipped with Automatic Transmission and Air Conditioning. |
| 1976 | Oldsmobile | Starfire | 2.3L | L4 | — | Alternator and Air Pump | w/P.S., w/A.C. |
| 1972 | Ford | E-100 Econoline | 4.9L | L6 | — | Fan and Alternator | — |
| 1967 | Ford | LTD | 6.4L | V8 | — | Fan and Alternator | w/A.C., Dual Belts |
| 1967 | Ford | LTD | 6.4L | V8 | — | Fan and Alternator | w/A.C., Single Belt |
| 1967 | Ford | LTD | 7.0L | V8 | — | Fan and Alternator | w/A.C., Dual Belts |
| 1967 | Ford | LTD | 7.0L | V8 | — | Fan and Alternator | w/A.C., Single Belt |
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