Gates
High Capacity V-Belt (Standard)

Gates 7389 Accessory Drive Belt - Air Pump, Fan and Air Pump or Water Pump To Air Pump

Brand Gates 7389
Position Water Pump To Air Pump, Air Pump, and Fan and Air Pump
Top Width .325
Top Width 8
Construction Standard
Cord Material Polyester
Cross Section Designation Hc31
Strand Quantity 1
Effective Length 39
Effective Length 991
Outside Circumference 39.17
Outside Circumference 995
Type High capacity v-belt (standard)
Belt Material Epdm
Angle 38
9837 No
Angle 38
Belt Material Epdm
Construction Standard
Cord Material Polyester
Notched No
Number of Strands 1
Section Hc31
Type High capacity v-belt (standard)
Product line High Capacity V-Belt (Standard)
Fits Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac · 117 vehicles

High capacity V-belt. Built for demanding engine drives and steady accessory performance.

Variable notched design. Tightens as it heats to help reduce slippage and noise.

EPDM construction. Durable belt material with polyester cords for long service life.

Cross-references BBB Industries 11390, Bosch 15389 and CSF 10390 for the same application. See all 32.

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Free returns within 60 days if it doesn't fit when fitment is verified.

Gates 7389 High Capacity V-Belt Overview

The Gates 7389 is a High Capacity V-Belt (Standard) built for accessory drive systems that see steady heat and load. It uses EPDM belt material with polyester cord reinforcement to help maintain tension, reduce slippage, and keep accessory operation consistent.

For classic GM applications, this Gates V-belt is a direct replacement choice for air pump and fan drive setups on Buick, Chevrolet, Oldsmobile, Pontiac, and Cadillac vehicles. It is a practical fit for owners searching for a Gates 7389 accessory drive belt for 1977-1983 Buick Century, Chevrolet Monte Carlo, or Pontiac Grand Prix applications.

Key Features

  • Gates High Capacity V-Belt (Standard) construction for demanding engine drives
  • EPDM belt material for durability and heat resistance
  • Polyester cord material for stable belt strength
  • Single-strand design with HC31 section
  • 38-degree angle and 8 mm top width
  • Effective length: 39 in. / 991 mm
  • Outside circumference: 39.17 in. / 995 mm

Product Line Details

The Gates High Capacity V-Belt line is designed for accessory drive systems that need dependable grip under thermal load. As the belt warms during operation, its variable-notched design tightens on the drive to help limit slippage, improve performance, and reduce noise. This makes the line well suited to older engine accessory layouts that rely on precise belt tension for air pump and fan operation.

Detailed Description

Gates part number 7389 is an accessory drive belt for vehicles using a High Capacity V-Belt (Standard) profile. The EPDM rubber compound is paired with polyester reinforcement to support long service life in engine compartments exposed to heat and vibration. With an HC31 cross section, 38-degree angle, and 39-inch effective length, this belt is built to match the dimensions required by listed applications.

Fits 1977-1978 Buick Century, Fan and Air Pump; Fits 1977 Buick Century, Fan and Air Pump; Fits 1979-1980 Buick Century, Air Pump; Fits 1983 Buick Century, Water Pump To Air Pump; Fits 1977-1978 Buick LeSabre, Fan and Air Pump; Fits 1979-1980 Buick LeSabre, Air Pump; Fits 1980 Buick LeSabre, Air Pump; Fits 1977-1978 Buick Regal, Fan and Air Pump; Fits 1979 Buick Regal, Air Pump; Fits 1980 Buick Regal, Air Pump; Fits 1977-1978 Buick Skylark, Fan and Air Pump; Fits 1979 Buick Skylark, Air Pump; Fits 1978 Buick Century, Air Pump; Fits 1978 Buick LeSabre, Air Pump; Fits 1978 Buick Regal, Air Pump; Fits 1978 Buick Skylark, Air Pump; Fits 1979-1980 Chevrolet El Camino, Air Pump; Fits 1978 Chevrolet El Camino, Air Pump; Fits 1978 Chevrolet Malibu, Air Pump; Fits 1979-1980 Chevrolet Malibu, Air Pump; Fits 1978 Chevrolet Monte Carlo, Air Pump; Fits 1979-1980 Chevrolet Monte Carlo, Air Pump; Fits 1980 Chevrolet Monte Carlo, Air Pump; Fits 1980 Chevrolet Caprice, Air Pump; Fits 1980 Chevrolet Impala, Air Pump; Fits 1980 Cadillac DeVille, Air Pump; Fits 1980 Cadillac Fleetwood, Air Pump; Fits 1977-1978 Oldsmobile Cutlass, Air Pump; Fits 1979-1980 Oldsmobile Cutlass, Air Pump; Fits 1978 Oldsmobile Cutlass Calais, Air Pump; Fits 1979-1980 Oldsmobile Cutlass Calais, Air Pump; Fits 1978 Oldsmobile Cutlass Salon, Air Pump; Fits 1979-1980 Oldsmobile Cutlass Salon, Air Pump; Fits 1980 Oldsmobile Cutlass Cruiser, Air Pump; Fits 1977-1978 Oldsmobile Cutlass Supreme, Air Pump; Fits 1979-1980 Oldsmobile Cutlass Supreme, Air Pump; Fits 1977-1978 Oldsmobile Delta 88, Air Pump; Fits 1979-1980 Oldsmobile Delta 88, Air Pump; Fits 1977-1978 Oldsmobile Omega, Air Pump; Fits 1979 Oldsmobile Omega, Air Pump; Fits 1977-1978 Pontiac Catalina, Air Pump; Fits 1979-1980 Pontiac Catalina, Air Pump; Fits 1977-1978 Pontiac Grand LeMans, Air Pump; Fits 1979-1980 Pontiac Grand LeMans, Air Pump; Fits 1978 Pontiac Grand Prix, Air Pump; Fits 1979-1980 Pontiac Grand Prix, Air Pump; Fits 1977-1978 Pontiac LeMans, Air Pump; Fits 1979-1980 Pontiac LeMans, Air Pump; Fits 1977-1978 Pontiac Phoenix, Air Pump; Fits 1979 Pontiac Grand Am, Air Pump; Fits 1980 Pontiac Bonneville, Air Pump; Fits 1980 Pontiac Phoenix, Air Pump.

This part cross-references Bosch 15389 and Four Seasons 39011 for the same application.

Common Problems This Belt Can Address

  • Accessory belt slippage on air pump or fan drive systems
  • Squealing noise from a worn or glazed V-belt
  • Loss of belt tension from heat cycling and age
  • Cracking, hardening, or visible wear on the existing belt
  • Inconsistent accessory drive performance on classic GM engines

Installation Notes and Tips

Verify the belt length, top width, and section code against the existing belt or service information before installation. Check pulley condition, alignment, and tensioner or adjustment hardware on the vehicle, since worn pulleys or misalignment can shorten belt life. After installation, recheck belt tension following initial engine run-in.

Quality Assurance

Gates manufactures this belt as a durable replacement for demanding engine accessory drives. The EPDM construction and reinforced cord design are selected to handle heat, reduce slippage, and support consistent operation in the listed Buick, Chevrolet, Oldsmobile, Pontiac, and Cadillac applications.

This part fits 117 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
1983BuickCentury3.0LV6GASWater Pump To Air PumpW/O V.P.; High Capacity V-Belt (Standard)
1983OldsmobileCutlass Ciera3.0LV6GASAir PumpW/V.P.; High Capacity V-Belt (Standard)
1980BuickCentury3.8LV6GASAir PumpW/3 7/8" Dia. Pulley; High Capacity V-Belt (Standard)
1980BuickElectra4.1LV6GASAir PumpHigh Capacity V-Belt (Standard)
1980BuickLeSabre3.8LV6GASAir PumpW/3 7/8" Dia. Pulley; High Capacity V-Belt (Standard)
1980BuickLeSabre4.1LV6GASAir PumpHigh Capacity V-Belt (Standard)
1980BuickRegal3.8LV6GASAir PumpW/3 7/8" Dia. Pulley; High Capacity V-Belt (Standard)
1980BuickRiviera3.8LV6GASAir PumpW/3 7/8" Dia. Pulley; High Capacity V-Belt (Standard)
1980CadillacDeVille4.1LV6GASAir PumpHigh Capacity V-Belt (Standard)
1980CadillacFleetwood4.1LV6GASAir PumpHigh Capacity V-Belt (Standard)
1980ChevroletCaprice3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1980ChevroletEl Camino3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1980ChevroletImpala3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1980ChevroletMalibu3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1980ChevroletMonte Carlo3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1980ChevroletMonte Carlo3.8LV6GASAir PumpW/3 7/8" Dia. Pulley; High Capacity V-Belt (Standard)
1980GMCCaballero3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1980OldsmobileCutlass3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1980OldsmobileCutlass Calais3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1980OldsmobileCutlass Cruiser3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1980OldsmobileCutlass Salon3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1980OldsmobileCutlass Supreme3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1980OldsmobileDelta 883.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1980PontiacBonneville3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1980PontiacCatalina3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1980PontiacGrand LeMans3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1980PontiacGrand Prix3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1980PontiacLeMans3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1979BuickCentury3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1979BuickLeSabre3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1979BuickRegal3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1979BuickRiviera3.8LV6GASAir PumpW/4 1/4" Dia. Pulley; High Capacity V-Belt (Standard)
1979BuickSkylark3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1979ChevroletEl Camino3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1979ChevroletMalibu3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1979ChevroletMonte Carlo3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1979GMCCaballero3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1979OldsmobileCutlass3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1979OldsmobileCutlass Calais3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1979OldsmobileCutlass Salon3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1979OldsmobileCutlass Supreme3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1979OldsmobileDelta 883.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1979OldsmobileOmega3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1979PontiacCatalina3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1979PontiacGrand Am3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1979PontiacGrand LeMans3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1979PontiacGrand Prix3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1979PontiacLeMans3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1979PontiacPhoenix3.8LV6GASAir PumpHigh Capacity V-Belt (Standard)
1978BuickCentury3.2LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1978BuickCentury3.2LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1978BuickCentury3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1978BuickCentury3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1978BuickLeSabre3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1978BuickLeSabre3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1978BuickRegal3.2LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1978BuickRegal3.2LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1978BuickRegal3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1978BuickRegal3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1978BuickSkylark3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1978BuickSkylark3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1978ChevroletEl Camino3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1978ChevroletEl Camino3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1978ChevroletMalibu3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1978ChevroletMalibu3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1978ChevroletMonte Carlo3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1978ChevroletMonte Carlo3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1978GMCCaballero3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1978GMCCaballero3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1978OldsmobileCutlass3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1978OldsmobileCutlass3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1978OldsmobileCutlass Calais3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1978OldsmobileCutlass Calais3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1978OldsmobileCutlass Salon3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1978OldsmobileCutlass Salon3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1978OldsmobileCutlass Supreme3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1978OldsmobileCutlass Supreme3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1978OldsmobileDelta 883.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1978OldsmobileDelta 883.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1978OldsmobileOmega3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1978OldsmobileOmega3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1978PontiacCatalina3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1978PontiacCatalina3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1978PontiacGrand LeMans3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1978PontiacGrand LeMans3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1978PontiacGrand Prix3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1978PontiacGrand Prix3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1978PontiacLeMans3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1978PontiacLeMans3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1978PontiacPhoenix3.8LV6GASAir PumpW/A.C.; W/O Std. Cool.; High Capacity V-Belt (Standard)
1978PontiacPhoenix3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1977BuickCentury3.8LV6GASFan and Air PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1977BuickCentury3.8LV6GASFan and Air PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1977BuickLeSabre3.8LV6GASFan and Air PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1977BuickLeSabre3.8LV6GASFan and Air PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1977BuickRegal3.8LV6GASFan and Air PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1977BuickRegal3.8LV6GASFan and Air PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1977BuickSkylark3.8LV6GASFan and Air PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1977BuickSkylark3.8LV6GASFan and Air PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1977OldsmobileCutlass3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1977OldsmobileCutlass3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1977OldsmobileCutlass Supreme3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1977OldsmobileCutlass Supreme3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1977OldsmobileDelta 883.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1977OldsmobileDelta 883.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1977OldsmobileOmega3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1977OldsmobileOmega3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1977PontiacCatalina3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1977PontiacCatalina3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1977PontiacGrand LeMans3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1977PontiacGrand LeMans3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1977PontiacLeMans3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1977PontiacLeMans3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1977PontiacPhoenix3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1977PontiacPhoenix3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
1977PontiacVentura3.8LV6GASAir PumpHVAC heater hose with A/C, fits Serpentine Belt application.; High Capacity V-Belt (Standard)
1977PontiacVentura3.8LV6GASAir PumpW/X.C. - Radiator Coolant Hose.; High Capacity V-Belt (Standard)
Directly replaces or cross-references 32 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 11390Bosch — 15389CSF — 10390Dixie Electric Ltd — 10391Four Seasons — 39011Gates — 1390Gates — 73898A099008AV099010-39025-0990225-738977-9829-1401-738910390MK11390DR4212444212894216424234874235731239544428676994338321150201651300866A10391AU10997B-10391-AFB11390JU-392JU-992