Category Archives: Holset HX40 Turbine Housing (Exhaust Housing)

89 – 02 12v & 24v HX35 HX40 67mm Turbine Housing & Wheel Upgrade

HX35 64mm x 76mm turbine Wheel and exhaust housing upgrade.
Please Read Carefully: This Housing is made to directly fit 1989 1997 24v turbochargers as a upgrade.  To work on other models modification is need as listed below:

1989-1997, have some variations of the factory turbo charger, this turbine housing and wheel work as an upgrade to the H1C and HX35, even though there are different version, in which some did not include wastegate actuators, this housing is still a direct fit on the factory turbo chargers in combination of using the turbine wheel included. This kit is intended to be used with a compressor upgrade 60mm, 62.45mm, or 67mm.

The turbine housing in this listing has 4 drilled through holes at the t3 flange, because the 12v engines use 4 studs threaded into the manifold. The 24v cummins (98- 02) has 2 threaded holes on the turbine housing and 2 threaded holes on the manifold to use studs. If this housing is used on a 24v cummins, 2 bolts and nuts will need to be used to bolt on the turbine housing because the exhaust manifold and turbine housing is not threaded for studs and the manifold is only threaded for 2 studs. If you are using this kit on a 24v you will not need to use the factory 24v wastegate actuator and mount on the compressor housing.

If you are using this turbine housing on a 12v turbo with a horizontal mounting wastegate actuator, no actuator, or vertical wastegate actuator, this is a direct fit.

Modifications Required to fit 12v model turbos: (there are 2 versions of 12v Engines)

-To fit 12v turbos normally using horizontally mounted actuators, the threaded holes must be drill on the t3 flange for the manifold studs to go through the turbine housing. (thats it!)

Some 12v models cannot use the horizontal actuators because they interfere with the oil drain which won’t allow the turbo to bolt on. However, the vertical mounting wastegate actuator is universal, there for this turbine housing upgrade is a universal fit for both model 12v engines.

Details of the listed items:

Upgrade for the 12v & 24v 5.9 cummins

Includes:

  • Fits 1989 – 2002 12v & 24v cummins factory HX35 turbo as upgrade
  • Direct fit for 1989 – 1997 12 valve turbo chargers / engines
  • 2 bolt and nuts are needed to fit 1998 – 2002 24v because no threaded holes on t3 flange (no threads for studs)
  • HX40 67mm x 76mm turbine shaft
  • HX35 turbine housing machined to HX40 67mm x 76mm turbine
  • 5 bolts
  • 5 bolt flanged machined to the 67mm x 76mm turbine
  • 5 bolt downpipe gasket
  • The Wastegate orientation is mounted on the compressor housing.
  • Wastegate not included.
  • Recommended to use this turbine housing with HX40 60 x 86 or 62.45 x 86 billet compressor wheel
  • Condition is New
Click here to buy this item from our Ebay listing

98 – 02 24v HX35 HX40 64mm Exhaust Housing Upgrade

HX35 64mm x 76mm turbine Wheel and exhaust housing upgrade.
Please Read Carefully: This Housing is made to directly fit 1998 -2002 24v turbochargers as a upgrade. To work on other models modification is need as listed below:

Modifications Required to fit 12v model turbos: (there are 2 versions of 12v Engines)

-To fit 12v turbos normally using horizontally mounted actuators, the threaded holes must be drill on the t3 flange for the manifold studs to go through the turbine housing. (thats it!)

-To fit 12v turbos normally using vertically mounted actuators, the threaded holes must be drill on the t3 flange for the manifold studs to go through the turbine housing, and the wastegate arm must be repositioned to operated vertically rather than horizontally. The arm must be cut off and rewelded. (Some 12v models cannot use the horizontal actuators because they interfere with the oil drain which won’t allow the turbo to bolt on. 

Explanation of the fitment Modification:

This is a custom made housing, the t3 divided flange is threaded for 2 studs for the purpose of bolting onto an HX35 Dodge ram 1998.5 – 2002 24v exhaust manifold. If you want to use this with a 1989 -1998 12v manifold, the threaded holes will have to be drilled out larger on this turbine housing for the 12v manifold studs to allow the turbine housing to bolt on. (The 12v Exhaust manifolds have 4 threaded holes for studs on the manifold).  In addition, this turbine housing is designed to be used with wastegate mounted to a 24v 1998-2002 compressor housing or you can use a 12v horizontal mounting wastegate actuator + mounting hardware, but only on 24v engines or 12v engines where the horizontal actuator wont interfere with the oil drain. 

This turbine housing’s wastegate arm can be repositioned (cut off rewelded) to work with vertically mounted wastegate actuators, but not every 12 valve engine will allow a horizontal actuator to bolt on because the oil drain on some 12 valve engines will be in the way not allowing the horizontal actuator and turbo to bolt on. In summary some 12v engines can use a horizontal mounting wastegate actuator & Turbine housing and some cannot, but the turbine housing’s wastegate arm’s position can be changed to work with a vertical or horizontal mounting wastegate actuator, but you must have the matching wastegate actuator and mounting hardware. At the time of this writing, i only have the vertical mounting wastegate + hardware. 

Details of the listed items:

Upgrade for the 24v 5.9.

Includes:

  • Fits 1998 – 2002 24v cummins factory hx35 turbo as upgrade
  • Hx40 64mm x 76mm turbine shaft
  • Hx35 turbine housing machined to hx40 64mm x 76mm turbine
  • 5 bolts
  • 5 bolt flanged machined to the 64mm x 76mm turbine
  • 5 bolt downpipe gasket
  • The Wastegate orientation is mounted on the compressor housing.
  • Wastegate not included.
  • Recommended to use this turbine housing with HX40 60 x 86 or 62.45 x 86 billet compressor wheel
  • Condition is New
Click to buy HX35 turbine housing machined for HX40 64mm turbine wheel on Ebay

This kit is intended to be used with a compressor upgrade 60mm, 62.45mm, or 67mm.

Holset HX40 Exhaust Housing (Turbine Housing)

Holset HX40 Exhaust Housing (Turbine Housing)

Holset HX40 Turbine Housing

  • T3 .82 a/r Holset HX40 Turbine housing
  • Compact and Light Weight (<10 lbs)
  • 600 HP capable if Machined to HX40 Series
  • Cast Iron
  • Includes Stainless Steel Vband Clamp and Downpipe Flange
  • Fits Holset HX40 and Some H1E (some are 64 x 76 and 67 x 76)
  • Machined for HX40 64mm x 76mm Turbine Wheel
  • Leave a Message if you want me to CNC Machine the Housing For 67 x 76 Turbine
  • Excellent Upgrade for Aftermarket Application
  • Larger Than BEP .70 a/r (Better Casting and Better Machining)
  • Increase Spool
  • T3 Open (Not Twin Scroll)

Holset HX40 Turbine HousingCLICK HERE TO ORDER YOURS !!!!


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