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Extension Housing, RG4R01A 2WD (6 1/8” Long) With 3 Bolt Mount On Top

Extension Housing, RG4R01A 2WD (6 1/8” Long) With 3 Bolt Mount On Top — Part # 73770GB
Part # 73770GB
Type:
Housing
Transmissions:
JR403E, R4A-EL, RE4R03A, RE4RO1A, RL4R01A
Size:
6 1/8” Long
Data as of:
2026-10-17

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Cross-reference numbers

NumberSystemStatus
73770GBWIT✓ catalog

Where it fits

DiagramPositionTransmission page
JR403E770—
R4A-EL770R4A-EL
RE4R03A770RE4R03A
Other parts in JR403E position 770:
  • 73770 Extension Housing, RL4R01A/RE4R01A 2WD (11 1/2” Long) Speed-O Hole Is 5 3/4” From Seal To Center Of Speed-O Hole
  • 73770A Extension Housing, RL4R01A/RE4R01A 2WD (11 1/2” Long) Speed-O Hole Is 5” From Seal To Center Of Speed-O Hole
  • 73770AA Extension Housing, Rl4R01A/RE4R01A 2WD (8 3/4” Long) 4 Bolt Mount On Top
  • 73770AC Extension Housing, RE4R01A/RE4R03A 2WD (5” Long) 2 Bolt Mount On Top & 2 Bolt Mount On Bottom…
  • 73770B Extension Houisng, RL4R01A/RE4R01A 4x4 (5 1/8” Long)
  • 73770BA Extension Housing, RL4R01A/RE4R01A 4x4 (6 5/16” Long)
  • 73770G Extension Housing, RG4R01A/JR403E 2WD (6 1/8” Long)
  • 73770GD Extension Housing, RG4R01A 2WD (6 1/8” Long) With 4 Bolt Mount On Top
  • 73770Q Extension Housing, RE4R03A 2WD (11” Long) Cast #1A
  • 73770R Extension Housing, RE5R01A 2WD (13 1/4” Long)
Other parts in R4A-EL position 770:
  • 73770 Extension Housing, RL4R01A/RE4R01A 2WD (11 1/2” Long) Speed-O Hole Is 5 3/4” From Seal To Center Of Speed-O Hole
  • 73770A Extension Housing, RL4R01A/RE4R01A 2WD (11 1/2” Long) Speed-O Hole Is 5” From Seal To Center Of Speed-O Hole
  • 73770AA Extension Housing, Rl4R01A/RE4R01A 2WD (8 3/4” Long) 4 Bolt Mount On Top
  • 73770AC Extension Housing, RE4R01A/RE4R03A 2WD (5” Long) 2 Bolt Mount On Top & 2 Bolt Mount On Bottom…
  • 73770B Extension Houisng, RL4R01A/RE4R01A 4x4 (5 1/8” Long)
  • 73770BA Extension Housing, RL4R01A/RE4R01A 4x4 (6 5/16” Long)
  • 73770G Extension Housing, RG4R01A/JR403E 2WD (6 1/8” Long)
  • 73770GD Extension Housing, RG4R01A 2WD (6 1/8” Long) With 4 Bolt Mount On Top
  • 73770Q Extension Housing, RE4R03A 2WD (11” Long) Cast #1A
  • 73770R Extension Housing, RE5R01A 2WD (13 1/4” Long)
Other parts in RE4R03A position 770:
  • 73770 Extension Housing, RL4R01A/RE4R01A 2WD (11 1/2” Long) Speed-O Hole Is 5 3/4” From Seal To Center Of Speed-O Hole
  • 73770A Extension Housing, RL4R01A/RE4R01A 2WD (11 1/2” Long) Speed-O Hole Is 5” From Seal To Center Of Speed-O Hole
  • 73770AA Extension Housing, Rl4R01A/RE4R01A 2WD (8 3/4” Long) 4 Bolt Mount On Top
  • 73770AC Extension Housing, RE4R01A/RE4R03A 2WD (5” Long) 2 Bolt Mount On Top & 2 Bolt Mount On Bottom…
  • 73770B Extension Houisng, RL4R01A/RE4R01A 4x4 (5 1/8” Long)
  • 73770BA Extension Housing, RL4R01A/RE4R01A 4x4 (6 5/16” Long)
  • 73770G Extension Housing, RG4R01A/JR403E 2WD (6 1/8” Long)
  • 73770GD Extension Housing, RG4R01A 2WD (6 1/8” Long) With 4 Bolt Mount On Top
  • 73770Q Extension Housing, RE4R03A 2WD (11” Long) Cast #1A
  • 73770R Extension Housing, RE5R01A 2WD (13 1/4” Long)
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