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South Bend Clutch 13" Conversion Flywheel (167890-5) for 1988-2000.5 Dodge Ram 5.9L Cummins NV4500 / Getrag / NV5600 Non-HO

167890-5

Genuine South Bend Clutch 13" upgrade flywheel (PN 167890-5) for 1988-2000.5 Dodge Ram 2500-4500 with 5.9L Cummins and the NV4500 5-Speed, Getrag 360 5-Speed, or 1999-2000.5 Non-HO NV5600 6-Speed transmission. This flywheel is required when converting from the factory 12.25" clutch to South Bend's larger 13" clutch kits (such as 13125-OK, 13125-OK-HD, 13125-OR, or 13125-OFEK). Not a replacement for an OEM-style flywheel - this part is specifically re-drilled and machined to fit the 13" South Bend pressure plate.

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Description

South Bend Clutch 13" Conversion Flywheel - 167890-5

SKU: 167890-5

The South Bend 167890-5 is the genuine 13" upgrade flywheel that South Bend's popular 13125-series clutch kits are built around. It converts the factory 12.25" Dodge Ram 5.9L Cummins flywheel/clutch setup to a stronger, larger 13" South Bend clutch package - giving you more holding power, better heat capacity, and longer service life.

Application & Transmission Fitment - Read Before Ordering

This flywheel fits 1988-2000.5 Dodge Ram 2500-4500 with the 5.9L Cummins, paired with one of the following manual transmissions:

  • 1988-1993: Getrag 360 5-Speed behind the 12V 5.9L Cummins
  • 1994-2000.5: NV4500 5-Speed behind the 12V or 24V 5.9L Cummins
  • 1999-2000.5: NV5600 6-Speed behind the Non-HO 235 hp 24V 5.9L Cummins ONLY (this is the 1.25" 10-spline input shaft version - it does NOT fit the 2001+ HO NV5600 with the 1.375" input).

This flywheel is not a stock-replacement flywheel. It is specifically re-drilled and refaced to accept the 13" South Bend pressure plate and clutch disc - it will NOT work with a stock-style 12.25" clutch.

When You Need This Flywheel

  • You are installing a South Bend 13125-OK, 13125-OK-HD, 13125-OFEK, 13125-FEK, or 13125-OR/OR-HD kit and your truck still has the OEM 12.25" flywheel.
  • You have an existing 13125-series replacement kit ("R" suffix) and the original South Bend flywheel is worn out or warped.
  • You have heat-checked, cracked, or excessively worn your previous South Bend conversion flywheel.

Fitment & Specifications

Part Number167890-5
Year Range1988-2000.5 (transmission dependent)
Make / ModelDodge Ram 2500-4500
Engine5.9L Cummins 12V & 24V (Non-HO for NV5600 applications)
TransmissionGetrag 360 5-Speed, NV4500 5-Speed, NV5600 6-Speed (Non-HO only)
Clutch Size13" South Bend conversion (not 12.25" stock)
MaterialSolid-mass steel, machined and balanced

Companion Parts (13" South Bend Clutch Kits)

This flywheel is designed to be installed with one of the following 13" South Bend clutch kits:

  • 13125-OK / 13125-OK-HD - Organic / HD Organic
  • 13125-OFEK - Organic/Feramic Dual-Friction
  • 13125-FEK - Feramic
  • 13125-OR / 13125-OR-HD - Organic Replacement (no flywheel)
  • 13125-OFER / 13125-FER - Dual-Friction / Feramic Replacement (no flywheel)

Why Buy From NorCal Diesel Performance

  • Authorized South Bend Clutch dealer with real diesel techs on staff.
  • We own and operate a working diesel repair shop - we install these parts ourselves.
  • Free fitment confirmation - call or email us with your VIN and transmission code if you are unsure.
  • Fast shipping from multiple US warehouses.

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