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Chevy GMC SM420 Transmission w/PTO Wet Kit Rockcrawler Off Road - Fresh Stock Dated March 2026
Chevy GMC SM420 Transmission w/PTO Wet Kit Rockcrawler Off Road - Fresh Stock Dated March 2026
Chevy GMC SM420 Transmission w/PTO Wet Kit Rockcrawler Off Road - Fresh Stock Dated March 2026
Chevy GMC SM420 Transmission w/PTO Wet Kit Rockcrawler Off Road - Fresh Stock Dated March 2026
Chevy GMC SM420 Transmission w/PTO Wet Kit Rockcrawler Off Road - Fresh Stock Dated March 2026
Chevy GMC SM420 Transmission w/PTO Wet Kit Rockcrawler Off Road - Fresh Stock Dated March 2026
Chevy GMC SM420 Transmission w/PTO Wet Kit Rockcrawler Off Road - Fresh Stock Dated March 2026

Chevy GMC SM420 Transmission w/PTO Wet Kit Rockcrawler Off Road - Fresh Stock Dated March 2026

$ 179.52

Availability: 85 in stock
  • Condition: Chevy SM420 4 speed transmission with pto box. Housing has a part number of 591953, cover has a number of 591568. Shift handle has a part number of 3635845. Trans came in a parts deal, "bench" shifts freely through the gears, pto turns when engaged. Shipping is available depending on location, email for quote.
  • Brand: Chevrolet
  • Country/Region of Manufacture: United States
  • Universal Fitment: Yes
  • Interchange Part Number: Chevy Granny 4 Speed
  • Superseded Part Number: GMC SM420
  • Performance Part: No
  • Gear Count: 4
  • Type: Manual Transmission
  • Manufacturer Part Number: 591953
  • Housing Material: Cast Iron
  • Vintage Part: Yes
  • Speedometer Type: Mechanical
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    Description

    Chevy SM420 4 speed transmission with pto box. Housing has a part number of 591953, cover has a number of 591568. Shift handle has a part number of 3635845. Trans came in a parts deal, "bench" shifts freely through the gears, pto turns when engaged. Shipping is available depending on location, email for quote.