IMAGE: TRS, M5OD 2WD Version

IMAGE: TRS, M5OD 2WD Version

The Mazda M5OD (and later revisions, the M5OD-R1HD and M5R2) is a 5-speed manual transmission developed by Mazda for use in several Ford and Mazda cars, vans, and light trucks. It features synchronized gears including reverse, and a lightweight aluminum casing. It is designed for use in 2x4 and 4x4 applications. 

 IMAGE: TRS, M5OD 4WD Version

IMAGE: TRS, M5OD 4WD Version

Note: Many "Genuine" Ford Performance parts are no longer in production. These part numbers will be listed at the very bottom for cross reference purposes only.

Specifications: 

  • Weight: ~88lbs (40kg)
  • Length: 29.5" (750mm)
  • Height: 17" (430mm)

GEAR RATIOS:

  • 3.40 / 2.05 / 1.31 / 1.00 / 0.79 (4.0L Engines)
  • 3.72 / 2.20 / 1.50 / 1.00 / 0.79 (All Other Engines)

Part Numbers:

The part numbers that follow are an M5OD-R1 mated to a 4.0L OHV V6 engines. Part numbers may be different for the SOHC motor or for other vehicle applications.

  • Dorman cup plug - 555-108
  • Dana cup plug - 219-3052
  • Luk Clutch Kit - 07-139
  • Luk Slave Cylinder - LSC003 (no throwout bearing)
  • Luk OHV Single-Mass Flywheel - LFW115
  • Duralast Gold Starter - DLG3232S
  • Shifter Extension 3" - PRA-3700 (SE3700)
  • LMC Reverse Light Switch - 47-0862
  • LMC Reverse Light Socket - 47-0901
  • JEGS Driveshaft Spacer - 555-60620

Recommended REPAIRS AND MODS:

  • Rubber stop plug replacement: replace the rubber plugs near the shifter plate with a steel Dorman cup plug P/N 555-108 or Dana cup plug P/N 219-3052.  You will need 3 plugs.
  • Factory manual calls for Dextron III/Mercon ATF. Many owners have switched to various Full Synthetic ATF fluids for their increased resistance to high temperatures.

APPLICATIONS

M5OD-R1

  • 1988–2011 Ranger, B-Series
  • 1988–1990 Bronco II
  • 1988–1995 Aerostar
  • 1991–2000 Explorer, Navajo

M5OD-R1HD

  • 2001–2003 Explorer Sport (4.0 L SOHC V6 engine)
  • 2001–2011 Ranger (4.0 L SOHC V6 engine)

M5OD-R2 (M5R2)

  • 1988–1996 F-150 (4.9 L {300 ci} I6 and 5.0 L {302 ci} V8 engines)
  • 1988–1996 Bronco (4.9 L {300 ci} I6 and 5.0 L {302 ci} V8 engines)
  • 1997–2008 F-150 4.2 L V6 and 4.6 L V8 engines

Additional Resources:

LMC Truck - Parts for domestic trucks and SUVs

Rock Auto - Massive parts inventory

Ford Parts - Original parts inventory, many are no longer in production

M5OD Teardown - TRS user provides pictorial walkthrough disassembly

 

Special thanks to The Ranger Station (TRS), and Explorer Forum for much of this information. Please check their sites for more information. Their members are extremely helpful and often have useful tricks and tips.