MTC Ronak 1037 Alternator Mount Bushing - Lower
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MTC Ronak

MTC Ronak 1037 Alternator Mount Bushing - Lower

Brand MTC Ronak 1037
Position Lower
Material Rubber
Size Large
Fits BMW · 60 vehicles

Rubber construction. Helps cushion the alternator mount and reduce vibration.

Large size. Sized for a secure fit in the mounting assembly.

Alternator mount bushing for electrical charging and starting systems.

Cross-references 12-31-1-268-433 and 12-31-8-602-181 for the same application. See all 2.

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MTC Ronak 1037 Alternator Mount Bushing

The MTC Ronak 1037 is a large rubber alternator mount bushing for BMW charging system applications. It is specified for select BMW 3 Series, 5 Series, 6 Series, and 7 Series models with Bosch alternators, including 75 Shore hardness applications where a stable alternator mount is required.

Key Features

  • Large rubber alternator mount bushing
  • Material: rubber
  • Size: large
  • 75 Shore hardness applications noted in fitment
  • Direct replacement for select Bosch alternator mounting applications
  • Part number: 1037

Application Details

This alternator mount bushing is used in BMW charging system service where the alternator needs a secure rubber isolator at the mounting point. It is listed for 1975-1991 BMW applications, including BMW M3, 635CSi, 528e, 535i, 535is, M5, M6, 325e, 325es, 735i, 524td, 318i, 533i, 320i, 528i, and 530i. The part number 1037 is also cross-referenced to BMW 12-31-1-268-433 and 12-31-8-602-181 for the same application.

Compatible BMW fitment includes 1988-1991 BMW M3, 1985-1989 BMW 635CSi, 1982-1988 BMW 528e, 1985-1988 BMW 535i, 1988 BMW 535is, 1988 BMW M5, 1987-1988 BMW M6, 1984-1987 BMW 325e, 1986-1987 BMW 325es, 1985-1987 BMW 735i, 1985-1986 BMW 524td, 1984-1985 BMW 318i, 1983-1984 BMW 533i, 1977-1983 BMW 320i, 1979-1981 BMW 528i, and 1975-1978 BMW 530i.

Common Issues This Part Addresses

  • Worn or hardened alternator mounting rubber
  • Excess alternator movement at the bracket
  • Noise or vibration from the charging system mount
  • Improper alternator support on Bosch-equipped BMW models
  • Fitment issues during alternator service on select BMW M3 and 5 Series applications

Installation Notes and Tips

Verify Bosch alternator part numbers and mounting position before installation, since fitment varies by model and alternator output. This bushing is listed for lower and N/A positions depending on application, so match the vehicle and alternator specification exactly. Confirm the existing mount dimensions and hardness requirement before replacing the original bushing.

Quality Assurance

MTC Ronak supplies this alternator mount bushing as a rubber replacement part for specified BMW charging system applications. Use the listed fitment and Bosch alternator references to confirm the correct application before installation.

This part fits 60 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1991BMWM3N/A75 Shore Hardness; Applies to 90 Amp Bosch Alternator 0-120-469-805
1990BMWM3N/A75 Shore Hardness; Applies to 90 Amp Bosch Alternator 0-120-469-805
1989BMW635CSiN/A75 Shore Hardness; Applies to Bosch Alternator 0-120-469-619 (BMW 12-31-1-288-409- / 12-31-1-289-404) or Bosch 0-120-489-037, 0-120-489-037, 0-120-469-538, 0-120-469-618
1989BMWM3N/A75 Shore Hardness; Applies to 90 Amp Bosch Alternator 0-120-469-805
1988BMW528eLower75 Shore Hardness; Applies to 65 Amp Bosch Alternator 0-120-489-031 (BMW 12-31-1-270-901)
1988BMW528eN/AApplies to 80 Amp Bosch Alternator 0-120-489-619 (BMW 12-31-1-288-409); 75 Shore Hardness
1988BMW535iN/A75 Shore Hardness; Applies to Bosch Alternator 0-120-469-618 (BMW 12-31-1-288-408)
1988BMW535isN/A75 Shore Hardness; Applies to Bosch Alternator 0-120-469-618 (BMW 12-31-1-288-408)
1988BMW635CSiN/A75 Shore Hardness; Applies to Bosch Alternator 0-120-469-619 (BMW 12-31-1-288-409- / 12-31-1-289-404) or Bosch 0-120-489-037, 0-120-489-037, 0-120-469-538, 0-120-469-618
1988BMWM3N/A75 Shore Hardness; Applies to 90 Amp Bosch Alternator 0-120-469-805
1988BMWM5N/AApplies to Bosch Alternator 0-120-469-809 (BMW 12-31-1-310-099); 75 Shore Hardness
1988BMWM6N/AApplies to Bosch Alternator 0-120-469-560 or 0-120-489-029; 75 Shore Hardness
1987BMW325eN/A75 Shore Hardness; Applies to 80 Amp Bosch Alternator 0-120-169-619 or 0-120-469-783
1987BMW325esN/A75 Shore Hardness; Applies to 80 Amp Bosch Alternator 0-120-169-619 or 0-120-469-783
1987BMW528eLower75 Shore Hardness; Applies to 65 Amp Bosch Alternator 0-120-489-031 (BMW 12-31-1-270-901)
1987BMW528eN/AApplies to 80 Amp Bosch Alternator 0-120-489-619 (BMW 12-31-1-288-409); 75 Shore Hardness
1987BMW535iN/A75 Shore Hardness; Applies to Bosch Alternator 0-120-469-618 (BMW 12-31-1-288-408)
1987BMW635CSiN/A75 Shore Hardness; Applies to Bosch Alternator 0-120-469-619 (BMW 12-31-1-288-409- / 12-31-1-289-404) or Bosch 0-120-489-037, 0-120-489-037, 0-120-469-538, 0-120-469-618
1987BMW735iN/A75 Shore Hardness; Fits Bosch Alternator 0-120-469-618 (BMW 12-31-1-2288-408)
1987BMWM6N/AApplies to Bosch Alternator 0-120-469-560 or 0-120-489-029; 75 Shore Hardness
1986BMW325eN/A75 Shore Hardness; Applies to 80 Amp Bosch Alternator 0-120-169-619 or 0-120-469-783
1986BMW325esN/A75 Shore Hardness; Applies to 80 Amp Bosch Alternator 0-120-169-619 or 0-120-469-783
1986BMW524tdLowerApplies to 65 Amp Bosch Alternator 0-120-489-167 (BMW 12-31-1-277-581); 75 Shore Hardness
1986BMW528eLower75 Shore Hardness; Applies to 65 Amp Bosch Alternator 0-120-489-031 (BMW 12-31-1-270-901)
1986BMW528eN/AApplies to 80 Amp Bosch Alternator 0-120-489-619 (BMW 12-31-1-288-409); 75 Shore Hardness
1986BMW535iN/A75 Shore Hardness; Applies to Bosch Alternator 0-120-469-618 (BMW 12-31-1-288-408)
1986BMW635CSiN/A75 Shore Hardness; Applies to Bosch Alternator 0-120-469-619 (BMW 12-31-1-288-409- / 12-31-1-289-404) or Bosch 0-120-489-037, 0-120-489-037, 0-120-469-538, 0-120-469-618
1986BMW735iN/A75 Shore Hardness; Fits Bosch Alternator 0-120-469-618 (BMW 12-31-1-2288-408)
1985BMW318iN/A75 Shore Hardness; Applies to 80/90 Amp Bosch Alternator 0-120-169-619 or 0-120-469-783
1985BMW325eN/A75 Shore Hardness; Applies to 80 Amp Bosch Alternator 0-120-169-619 or 0-120-469-783
1985BMW524tdLowerApplies to 65 Amp Bosch Alternator 0-120-489-167 (BMW 12-31-1-277-581); 75 Shore Hardness
1985BMW528eLower75 Shore Hardness; Applies to 65 Amp Bosch Alternator 0-120-489-031 (BMW 12-31-1-270-901)
1985BMW528eN/AApplies to 80 Amp Bosch Alternator 0-120-489-619 (BMW 12-31-1-288-409); 75 Shore Hardness
1985BMW535iN/A75 Shore Hardness; Applies to Bosch Alternator 0-120-469-618 (BMW 12-31-1-288-408)
1985BMW635CSiN/A75 Shore Hardness; Applies to Bosch Alternator 0-120-469-619 (BMW 12-31-1-288-409- / 12-31-1-289-404) or Bosch 0-120-489-037, 0-120-489-037, 0-120-469-538, 0-120-469-618
1985BMW735iN/A75 Shore Hardness; Fits Bosch Alternator 0-120-469-618 (BMW 12-31-1-2288-408)
1984BMW318iN/A75 Shore Hardness; Applies to 80/90 Amp Bosch Alternator 0-120-169-619 or 0-120-469-783
1984BMW325eN/A75 Shore Hardness; Applies to 80 Amp Bosch Alternator 0-120-169-619 or 0-120-469-783
1984BMW528eLower75 Shore Hardness; Applies to 65 Amp Bosch Alternator 0-120-489-031 (BMW 12-31-1-270-901)
1984BMW528eN/AApplies to 80 Amp Bosch Alternator 0-120-489-619 (BMW 12-31-1-288-409); 75 Shore Hardness
1984BMW533iN/A75 Shore Hardness; Applies to Bosch 0-120-469-261 (BMW 12-31-1-277-239); Bosch 0-120-469-618 (BMW 12-31-1-288-408) or Bosch 0-120-469-561 (BMW 12-31-1-277-239)
1983BMW320iLower75 Shore Hardness
1983BMW528eLower75 Shore Hardness; Applies to 65 Amp Bosch Alternator 0-120-489-031 (BMW 12-31-1-270-901)
1983BMW528eN/AApplies to 80 Amp Bosch Alternator 0-120-489-619 (BMW 12-31-1-288-409); 75 Shore Hardness
1983BMW533iN/A75 Shore Hardness; Applies to Bosch 0-120-469-261 (BMW 12-31-1-277-239); Bosch 0-120-469-618 (BMW 12-31-1-288-408) or Bosch 0-120-469-561 (BMW 12-31-1-277-239)
1982BMW320iLower75 Shore Hardness
1982BMW528eLower75 Shore Hardness; Applies to 65 Amp Bosch Alternator 0-120-489-031 (BMW 12-31-1-270-901)
1982BMW528eN/AApplies to 80 Amp Bosch Alternator 0-120-489-619 (BMW 12-31-1-288-409); 75 Shore Hardness
1981BMW320iLower75 Shore Hardness
1981BMW528iLower75 Shore Hardness
1980BMW320iLower75 Shore Hardness
1980BMW528iLower75 Shore Hardness
1979BMW320iLower75 Shore Hardness
1979BMW528iLower75 Shore Hardness
1978BMW320iLower75 Shore Hardness
1978BMW530iLower75 Shore Hardness
1977BMW320iLower75 Shore Hardness
1977BMW530iLower75 Shore Hardness
1976BMW530iLower75 Shore Hardness
1975BMW530iLower75 Shore Hardness
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
12-31-1-268-43312-31-8-602-181