Fan Belts

Crank, Water Pump, Alternator Belt
Year Description Part Number Belt Tension
1979 - 1985 GM: 9433752
NAPA: 15495 or 257495
Autozone: 15495 (Duralast)
Used: 75 +/- 5lbs
New: 125 +/- 5lbs
1990 Serpentine
52.75 inches
(1340 mm)
GM: 10085787
NAPA: 6K525 or 25060525HD
Autozone: 525K6 (Duralast)
Used: 75 +/- 5lbs
New: 125 +/- 5lbs
Crank, Water Pump, Alternator, Air Pump Belt
Year Description Part Number Belt Tension
1985 1/2 - 1989 Poly V, 6 Rib
55.98 inches
(1422.0 mm)
GM: 14087540
NAPA: 6K560 or 25060560 or 25060560HD
Autozone: 560K6 or 5060560 or 560K6
Used: 75 +/- 5lbs
New: 125 +/- 5lbs
Crank to Power Steering Pump Belt
Year Description Part Number Belt Tension
1979 - 1985 Without A/C GM: 9433745
NAPA: 15460 or 257460
Autozone: 15460 (Duralast)
Used: 75 +/- 5lbs
New: 125 +/- 5lbs
1985 1/2 - 1990 Without A/C
.47 inch x 45.5 inches
GM: 10034695
NAPA: 15455 or 257455
Autozone: 15455
Used: 75 +/- 5lbs
New: 125 +/- 5lbs
1985 1/2 - 1990 With A/C, Hi Ride
3/8 inch x 41 inches
GM Code: XL
GM: 9433735
NAPA: 15410 or 257410
Autozone: 15410 (Duralast)
Used: 75 +/- 5lbs
New: 125 +/- 5lbs
Crank, Power Steering Pump, A/C Compressor, Water Pump Belt
Year Description Part Number Belt Tension
1985 1/2 - 1990 Hi Ride
3/8 inch x 60.5 inches
GM Code: GA
GM: 14033869
NAPA: 15603 or 257603
Autozone: 15603 (Duralast)
Used: 90 +/- 5lbs
New: 135 +/- 5lbs
Power Steering Pump to 2nd AIR Pump Belt (NA5 Code chassis only)
Year Description Part Number Belt Tension
1985 1/2 - 1990 With and Without A/C
All Federal Jobs, Hi Ride
.47 inch x 45.00 inches
GM Code: CNA
GM: 10034695
NAPA: 15455 or 257455
Autozone: 15455 (Duralast)
Used: 75 +/- 5lbs
New: 125 +/- 5lbs

Hoses

Upper Radiator Hose
Year Description Part Number
1973 - 1981 Vertical Radiator
350 Engine
GM: 6259952
NAPA: 7575
Autozone: E70935 (Dayco)
1973 - 1981 Vertical Radiator
454 Engine
GM: 6259953
NAPA: 7537
Autozone: B70846 (Dayco)
1982 Horizontal Radiator
454 Engine
(Varies by Model & option)
GM: 14049401
NAPA: 8153
Autozone: B70846 (Dayco)

GM: 15599363
NAPA: 8232
Autozone: E71429 (Dayco)

1983 Horizontal Radiator
454 Engine
GM: 15595586
NAPA: 7537
Autozone: B70846 (Dayco)
1984 (H4D) Horizontal Radiator
454 Engine
GM: 14049401
NAPA: 8153
Autozone: B70846 (Dayco)
1985 - 1989 (H5D) Horizontal Radiator
454 Engine
GM: 15599363
NAPA: 8232
Autozone: E71429 (Dayco)
1990 - 1994 (H5D) Horizontal Radiator
454 Engine
GM: 15638164
NAPA: 8153
Autozone: B70846 (Dayco)
Lower Radiator Hose
Year Description Part Number
1973 - 1981 Vertical Radiator
350 & 454 Engine
GM: 343414
NAPA: 7581
Autozone: E70735 (Dayco)
1982 Horizontal Radiator
350 Engine
GM: 343414
NAPA: 7581
Autozone: E70735 (Dayco)
1982 - 1984 Horizontal Radiator
454 Engine
GM: 14049500
NAPA: 8154
Autozone: E71430 (Dayco)
1985 - 1994 Horizontal Radiator
454 Engine
(Varies by Model & option)
GM: 14049500
NAPA: 8154
Autozone: E71430 (Dayco)

GM: 15595587
NAPA: 7537
Autozone: B70846 (Dayco)

GM: 14042372
NAPA: 7537
Autozone: B70846 (Dayco)