1947-1959 CHEVY & GMC NAPCO 4X4 PARTS

Shop High Quality Parts For NAPCO 4x4 Conversion Models General Motors released its first post-war truck 4x2 design, the Chevy Advance Design series, to the public on June 28, 1947.
1946-1959 GM H072 & H052 Rear Axle

1946-1959 GM H072 & H052 Rear Axle
1948-1959 GM SM420 Transmission Parts

1948-1959 GM SM420 Transmission Parts
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1957-1959 GM 4x4 Front Axle

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50 products

QT1025 Universal 4 Lug & 6 Lug Spindle Hub Nut Socket Torque King 4x4QT1025 Universal 4 Lug & 6 Lug Spindle Hub Nut Socket Torque King 4x4
Tools - Standard
QT1025 Universal 4 Lug & 6 Lug Spindle Hub Nut Socket
Sale price$52.98
QU40037 2" ID Bent Tab Spindle Lock Washer for Chevy, Ford, and GMC Torque King 4x4QU40037 2" ID Bent Tab Spindle Lock Washer for Chevy, Ford, and GMC Torque King 4x4
Dana Axle
QU40037 2" ID Bent Tab Spindle Lock Washer for Chevy, Ford, and GMC
Sale price$6.98
QU40038 2" ID Flat Spindle Thrust Washer for Chevy, Ford, GMC Torque King 4x4QU40038 2" ID Flat Spindle Thrust Washer for Chevy, Ford, GMC Torque King 4x4
Torque King
QU40038 2" ID Flat Spindle Thrust Washer for Chevy, Ford, GMC
Sale price$8.98
QU30010 Rear Axle Shaft Flange Gasket 1947-1991 GM Rear Axles Torque King 4x4QU30010 Rear Axle Shaft Flange Gasket 1947-1991 GM Rear Axles Torque King 4x4
Torque King
QU30010 Rear Axle Shaft Flange Gasket 1947-1991 GM Rear Axles
Sale price$9.98
Sold out
QU52071 Shift Stick Boot Repair Kit for SM420, SM465, NP435 Transmissions Torque King 4x4QU52071 Shift Stick Boot Repair Kit for SM420, SM465, NP435 Transmissions Torque King 4x4
Quad 4x4
QU52071 Shift Stick Boot Repair Kit for SM420, SM465, NP435 Transmissions
Sale price$58.98
QU52086 Felt Pinion Wiper Seal 1946-1972 HO72 HO52 Torque King 4x4QU52086 Felt Pinion Wiper Seal 1946-1972 HO72 HO52 Torque King 4x4
Torque King
QU52086 Felt Pinion Wiper Seal 1946-1972 HO72 HO52
Sale price$11.98
QU52085 Pinion Seal 1946-1972 HO72 HO52 Torque King 4x4QU52085 Pinion Seal 1946-1972 HO72 HO52 Torque King 4x4
National
QU52085 Pinion Seal 1946-1972 HO72 HO52
Sale price$26.98
QU50221 Rear Wheel Seal for 1946-2000 GM Corporate 3/4 ton & 1 Ton Axles Torque King 4x4QU50221 Rear Wheel Seal for 1946-2000 GM Corporate 3/4 ton & 1 Ton Axles Torque King 4x4
AAM Axle
QU50221 Rear Wheel Seal for 1946-2000 GM Corporate 3/4 ton & 1 Ton Axles
Sale price$18.98
QU40036 2" ID 6 Slot Front or Rear Spindle Nut for Chevy, Ford, and GMC Torque King 4x4QU40036 2" ID 6 Slot Front or Rear Spindle Nut for Chevy, Ford, and GMC Torque King 4x4
Dana Axle
QU40036 2" ID 6 Slot Front or Rear Spindle Nut for Chevy, Ford, and GMC
Sale price$23.98
QU30338 Gasket Set for 1948-1967 SM420 4 Speed Manual Transmissions Torque King 4x4QU30338 Gasket Set for 1948-1967 SM420 4 Speed Manual Transmissions Torque King 4x4
Quad 4x4
QU30338 Gasket Set for 1948-1967 SM420 4 Speed Manual Transmissions
Sale price$19.98
TK8372 Torque King® Rear Wheel Bearing & Seal Kit for GM HO52 & HO72 Axles Torque King 4x4TK8372 Torque King® Rear Wheel Bearing & Seal Kit for GM HO52 & HO72 Axles Torque King 4x4
Torque King Rebuild Kits
TK8372 Torque King® Rear Wheel Bearing & Seal Kit for GM HO52 & HO72 Axles
Sale price$342.98
QU30342 3-4 Brass Synchro Ring for 1959-1967 SM420 Transmission Torque King 4x4QU30342 3-4 Brass Synchro Ring for 1959-1967 SM420 Transmission Torque King 4x4
Quad 4x4
QU30342 3-4 Brass Synchro Ring for 1959-1967 SM420 Transmission
Sale price$32.98
QU30336 Rear Output Seal for 1948-1967 GM SM420 Transmissions Torque King 4x4QU30336 Rear Output Seal for 1948-1967 GM SM420 Transmissions Torque King 4x4
Quad 4x4
QU30336 Rear Output Seal for 1948-1967 GM SM420 Transmissions
Sale price$24.98
QT1016i 6 Lug Spindle Nut Socket for Front and Rear Axle Applications Torque King 4x4QT1016i 6 Lug Spindle Nut Socket for Front and Rear Axle Applications Torque King 4x4
Tools - Standard
QT1016i 6 Lug Spindle Nut Socket for Front and Rear Axle Applications
Sale price$49.98
QU51127 Transmission Input Seal Torque King 4x4QU51127 Transmission Input Seal Torque King 4x4
Torque King
QU51127 Transmission Input Seal
Sale price$17.98
Sold out
QU30341 Shifter Stick for Cast Iron Top Covers SM420, SM465 Torque King 4x4QU30341 Shifter Stick for Cast Iron Top Covers SM420, SM465 Torque King 4x4
Quad 4x4
QU30341 Shifter Stick for Cast Iron Top Covers SM420, SM465
Sale price$124.98
QU30337 Bearing, Gasket, and Seal Kit for 1948-1967 SM420 Transmission Torque King 4x4QU30337 Bearing, Gasket, and Seal Kit for 1948-1967 SM420 Transmission Torque King 4x4
Quad 4x4
QU30337 Bearing, Gasket, and Seal Kit for 1948-1967 SM420 Transmission
Sale price$237.98
QU30442 SM420 2nd Gear Synchronizer Ring Torque King 4x4QU30442 SM420 2nd Gear Synchronizer Ring Torque King 4x4
OEM-MFR
QU30442 SM420 2nd Gear Synchronizer Ring
Sale price$125.00
QU51093 40mm ID Deep Groove Type Input or NP435 Output Ball Bearing Torque King 4x4QU51093 40mm ID Deep Groove Type Input or NP435 Output Ball Bearing Torque King 4x4
Quad 4x4
QU51093 40mm ID Deep Groove Type Input or NP435 Output Ball Bearing
Sale price$49.98
QU52069 SM420 Mainshaft Pilot Rollers Torque King 4x4QU52069 SM420 Mainshaft Pilot Rollers Torque King 4x4
Quad 4x4
QU52069 SM420 Mainshaft Pilot Rollers
Sale price$19.98
QU30339 Small Parts Kit for 1948-1967 SM420 Transmissions Torque King 4x4QU30339 Small Parts Kit for 1948-1967 SM420 Transmissions Torque King 4x4
Quad 4x4
QU30339 Small Parts Kit for 1948-1967 SM420 Transmissions
Sale price$74.98
QU51169 Timken® Taper Bearing for HO52 & HO72 Rear Axles Torque King 4x4QU51169 Timken® Taper Bearing for HO52 & HO72 Rear Axles Torque King 4x4
Timken
QU51169 Timken® Taper Bearing for HO52 & HO72 Rear Axles
Sale price$55.98
Sold out
QU40036U USED 6 Slot Spindle Nut Torque King 4x4QU40036U USED 6 Slot Spindle Nut Torque King 4x4
Used
QU40036U USED 6 Slot Spindle Nut
Sale price$19.98
TK8371 Torque King® Rear Wheel Bearing Only Kit for GM HO52 & HO72 Axles Torque King 4x4TK8371 Torque King® Rear Wheel Bearing Only Kit for GM HO52 & HO72 Axles Torque King 4x4
Torque King Rebuild Kits
TK8371 Torque King® Rear Wheel Bearing Only Kit for GM HO52 & HO72 Axles
Sale price$354.98