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Garrett Turbine Housings, Housings & Parts

Garrett GT28 Turbine Housings

Garrett GT28 Turbine Housings – a range of turbine housing sizes and A/R options to tune spool and top-end power. Enquire for fitment, pricing and availability.
Part No. GT2528RS-IWG, GT28R-P-IWG, GT28R-S-EWG
Power Up to HP
Engine Size
Bearing
Wastegate Internal Wastegate
Suits
Pricing & availability on request

Tell us your vehicle and power goals – we’ll confirm fitment, options, pricing and lead time. We match or better any genuine advertised price.

Key features

Specifications

Part / model number GT2528RS-IWG, GT28R-P-IWG, GT28R-S-EWG
Power rating (from) HP
Power rating (up to) HP
Engine size
Bearing
Cooling
Wastegate Internal Wastegate
Fuel
Suits
Compressor inducer
Compressor exducer
Compressor trim
Compressor A/R
Turbine wheel
Turbine trim
Turbine A/R
Turbine flanges

Product details & options

GT2528RS-IWG Turbine Housing

Available options

ModelPart no.
GT2528RS-IWGGT2528RS-IWG
GT28R Plus EWGGT28R-P-IWG
GT28R Special EWGGT28R-S-EWG
GT2528RS-IWG

Specifications

  • GT25 / GT28 Turbine Inlet
  • 5 Bolt Exhaust Outlet
  • Internally Wastegated
  • Available in .64 & .86 A/R

Compatability

  • GT28RS/GT2871R/GT2876R: 53.5mm Turbine Wheel
  • GT3071R 84Trim: 56.5mm Turbine Wheel*
  • GT3071R 90Trim: 56.5mm Turbine Wheel*
  • * $75.00 Additional Machining Costs
  • Smaller GT25R-GT2554R .64 A/R Only
  • Smaller GT28R-GT2560R .64 A/R Only

Default turbine housing on most GT25R through GT28R Ball Bearing Turbochargers.

RELATED ITEMS

GT28 Stainless Steel Base Gasket

GT258U-01

  • GT25, GT28 Undivided Base Gasket – Stainless Steel (1)
Gasket: Exhaust Out - GT25 to GT30 S/S

GEO-GT2530-5B

  • GT25 to GT30 Exhaust Outlet Gasket (1)
  • 5 Bolt – Stainless Steel
Turbine Housing Clamp & Bolt Kit

CBK-M08125-2P

  • Turbine Housing Clamp and Bolt Kit (1)
  • Includes Two Half Circle Clamps & 6 bolts
Metric 8x1.25 Studs

SM-08125200-G8

  • Stud – M8x1.25 x 2″ (1)
  • ½” x ¼” x 1¼”
Metric 8 x 1.25 Locking Nuts

NL-M08125-C

  • Premium Copper-Clad Toplock Exhaust Nut (1)
  • Nut – M8x1.25 Locking
  • Suits 12mm Spanner for Tight Fits

Feo-5b-V2km

  • 5 Bolt to 3″ V-Band Adaptor Kit Includes:
  • Flange Plate, 3″ Tube, 3″ V-Band, Tig Welding
  • Mating 3″ V-Band Weld Ring – Mild Steel
  • 3″ V-Band Clamp – Stainless Steel
  • Studs (5) Locking Nuts (5)

Feo-5b-V2ks

  • As Above with Mating V-Band Ring in Stainless Steel
GT28R Plus EWG

The turbine housing is referred to as “Plus” because although it uses a GT25/GT28 mounting base, it boasts the equivalent Full Flow T3 compatible air ratios.

Specifications

  • GT28 “Plus” Turbine Housing
  • GT25 / GT28 Turbine Inlet – Optional GT3
  • 2½ V-Band Exhaust Outlet
  • External Wastegate
  • Available in .63 & .82 A/R

Compatibility

  • GT28RS / GT2871R / GT2876R: 53.8mm Turbine Wheel
  • GT3071R / GT3076R / GT3082R: 60.0mm Turbine Wheel
  • GT3582R: 68.0mm Turbine Wheel
  • GT3071R 84Trim: 56.5mm Turbine Wheel*
  • GT3071R 90Trim: 56.5mm Turbine Wheel*
  • * $75.00 Additional Machining Costs

RELATED PARTS

GT28 Stainless Steel Base Gasket

GT258U-01

  • GT25, GT28 Undivided Base Gasket – Stainless Steel (1)
2½ Heavy Duty Stainless Steel

CVB-0025

  • 2½” Heavy Duty Stainless Steel (1)
2.5 id - 3 od v-band flange

FVB-0253M

  • 2½” ID or 3″ OD V-Band Weld Flange “Mild Steel” (1)
  • Allows for the use of 2½” or 3″ Exhaust Tube
  • Also 2 can be used to adapt 2½” to 3″ Exhaust Tube
  • CNC Machined From Solid Billet M/S

FVB-0253S

  • As Above “Stainless Steel” (1)
  • CNC Machined From Solid Billet S/S
GT28R Special EWG

Specifications

  • GT25 / GT28 Turbine Inlet
  • 5 Bolt Exhaust Outlet
  • Externally Wastegated
  • Cast & Machined 44mm EWG Flange
  • Available in .72 A/R
  • Optional GT3 Turbine Inlet

Compatability

  • GT28RS/GT2871R/GT2876R
  • GT3071R/GT3076R/GT3082R: 60mm Turbine Wheel
  • GT35R: 68mm Turbine Wheel
  • T3/T4 STAGE III: 76 Trim Turbine Wheel

“Special” turbine housing Externally Gated 44mm EWG Flange, Flows Like a Full T3 . A/R is comparable to one that is right in between a .63 and .82 A/R GT30R Housing

RELATED ITEMS

GT28 Stainless Steel Base Gasket

GT258U-01

  • GT25, GT28 Undivided Base Gasket – Stainless Steel (1)
Gasket: Exhaust Out - GT25 to GT30 S/S

GEO-GT2530-5B

  • GT25 to GT30 Exhaust Outlet Gasket
  • 5 Bolt – Stainless Steel
Turbine Housing Clamp & Bolt Kit

CBK-M08125-2P

  • Turbine Housing Clamp and Bolt Kit (1)
  • Includes Two Half Circle Clamps & 6 bolts
Metric 8x1.25 Studs

SM-08125200-G8

  • Stud – M8x1.25 x 2″ (1)
  • ½” x ¼” x 1¼”
Metric 8 x 1.25 Locking Nuts

NL-M08125-C

  • Premium Copper-Clad Toplock Exhaust Nut (1)
  • Nut – M8x1.25 Locking
  • Suits 12mm Spanner for Tight Fits
Flange: Exhaust Out - 5 Bolt GT25-GT30

Feo-5b-V2m

  • 5 Bolt Flange Plate
  • CNC Machined from Solid Billet “Mild Steel”
  • Grooved for 3″ Oval Tube
  • Groove Assists for Neater Welding
Flange: Exhaust Out - 5 Bolt GT25-GT30

Feo-5b-V2s

  • As Above
  • CNC Machined from Solid Billet “Stainless Steel”

Feo-5b-V2km

  • 5 Bolt to 3″ V-Band Adaptor Kit Includes:
  • Flange Plate, 3″ Tube, 3″ V-Band, Tig Welding
  • Mating 3″ V-Band Weld Ring – Mild Steel
  • 3″ V-Band Clamp – Stainless Steel
  • Studs (5) Locking Nuts (5)

Feo-5b-V2ks

  • As Above with Mating V-Band Ring in Stainless Steel
Tial MV-R 44mm Wastegate

T-MV-R

  • Tial 44mm Wastegate Kit:
  • Ultra Compact – 4.17″ Tall
  • Water-Cooled Option Included
  • Default Red – .7 Bar (10.15 PSI)

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