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You are here: Home » Products » Fuel System & Turbo » Heavy Duty Turbo Cores » Chevrolet Turbo Cores » TB2517 704090-5001S Turbo Core for Chevrolet S10 HS4T

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TB2517 704090-5001S Turbo Core for Chevrolet S10 HS4T

Aftermarket TB2517 / GT25 turbo core / CHRA cartridge for Chevrolet S10 HS4T 2.5L legacy commercial repair reference, matching turbo P/N 704090-5001S and OE reference 79035. 704090 also appears in Mercedes Sprinter records; application evidence must be retained.
  • 79035

  • OE-Equivalent Replacement Quality

  • IATF 16949 / ISO 9001 / CE / RoHS

  • 100 pcs

  • 7 - 15 Days

  • 12 Months

Availability:
Quantity:
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TB2517 / GT25 704090-5001S Turbo Core Overview for Commercial Repair Buyers

TB2517 / GT25 704090-5001S serves older Chevrolet S10 HS4T commercial pickup repair demand.

OE 79035 is the main anchor, but 704090 also appears in Sprinter catalogs, making the application record important.

Mechanical-engine condition, oil supply and reused housing history should be reviewed before installation.



TB2517 / GT25 704090-5001S / 79035 Turbo Core Specifications for Wholesale Buyers

SpecificationDetails
Product TypeTurbo Core / CHRA Cartridge
Fit Turbo ModelTB2517 / GT25
Turbo Part Number704090-5001S
OE Reference Number79035
Engine / Application ReferenceChevrolet S10 HS4T 2.5L legacy commercial repair reference
Engine ModelHS4T 2.5L
Application ReferenceChevrolet S10 commercial pickup legacy reference
Reference Year1996-2002 reference
Supply DirectionLegacy Commercial Pickup Repair Supply
MOQ100 pcs
Warranty12 Months
Supplier BrandElecdurauto
Repair FocusLegacy fixed-geometry commercial turbo



704090-5001S / 79035 Related Reference Numbers for Turbo Core Matching

Reference TypeReference Number
Turbo Part Number704090-5001S
OE Reference Number79035
Previous Reference704090-0001
CHRA Reference1000-010-367 - requiring confirmation



TB2517 / GT25 704090-5001S Matching Information for Distributor Sourcing

Matching ItemReference Information
Turbo ModelTB2517 / GT25
Turbo Part Number704090-5001S
OE Reference Number79035
Engine ModelHS4T 2.5L
Application ReferenceChevrolet S10 commercial pickup legacy reference
Turbo Nameplate PhotoRecommended
Original Turbo / Cartridge PhotoRecommended when numbers are unclear
Special Matching Note704090 also appears in Mercedes Sprinter records; application evidence must be retained



Chevrolet S10 HS4T 2.5L TB2517 / GT25 Application Reference for Repair Programs

Application ReferenceEngineReference YearMatching Basis
Chevrolet S10 commercial pickup legacy referenceHS4T 2.5L1996-2002 referenceGarrett 704090-5001S and OE 79035 align with S10 / Blazer HS4T commercial applications.



TB2517 / GT25 704090-5001S CHRA Cartridge Value for Aftermarket Replacement Supply

The cartridge gives regional workshops a lower-cost route for legacy S10 repair.

Controlled stock is useful where complete turbo availability is declining.

Application-specific records prevent Chevrolet and Mercedes inquiries from being merged.

Elecdurauto supplies the core for confirmed aftermarket repair demand.



TB2517 / GT25 704090-5001S / 79035 Turbo Core FAQ for Wholesale and Repair Buyers

Why is engine-generation confirmation important for TB2517 / GT25 704090-5001S?

TB2517 / GT25 704090-5001S serves an older HS4T commercial diesel environment with mechanical or early-control variants. Buyers should confirm engine plate, turbo number, housing orientation, and production period before ordering. Similar S10 descriptions can include later engines and different turbo families. Generation confirmation keeps a legacy cartridge from being applied to an incompatible electronic system. The TB2517 / GT25 704090-5001S evidence should remain attached to the distributor order and repair record.



How should OE 79035 be used when matching TB2517 / GT25 704090-5001S?

OE 79035 is a strong catalog connection for Garrett 704090-5001S and HS4T applications, but buyers should still compare the turbo label and housings. The same Garrett unit also appears in some Sprinter references. Application evidence should be stored with the OE number so distributors know whether the request concerns Chevrolet S10, Mercedes commercial use, or another market record. The TB2517 / GT25 704090-5001S evidence should remain attached to the distributor order and repair record.



What should be measured before rebuilding TB2517 704090-5001S with the old housings?

A TB2517 repair for the HS4T Chevrolet S10 should begin with bore condition, wheel-clearance evidence, mounting-face flatness, and wastegate-flap inspection. The 704090-5001S cartridge must locate correctly without forcing either housing into position. Corrosion around the turbine outlet or a loose wastegate shaft can undermine boost even when the rotating assembly is new. Legacy pickup workshops should photograph the housing orientation and actuator bracket before dismantling, since those references help prevent assembly errors during low-volume remanufacturing.



Is TB2517 / GT25 704090-5001S suitable for low-volume legacy stock?

TB2517 / GT25 704090-5001S can be useful where older HS4T vehicles remain in regional service and complete turbo availability is limited. Importers should base stock on confirmed sales history and keep housing photographs with the SKU. A small, controlled quantity is more practical than broad inventory built from unverified S10 or Blazer descriptions. The TB2517 / GT25 704090-5001S evidence should remain attached to the distributor order and repair record.



What oil-feed work is required before installing TB2517 / GT25 704090-5001S?

The workshop should inspect or replace the oil feed, clean the drain, verify pressure, and correct excessive crankcase pressure. Old HS4T engines may contain sludge or coking that quickly damages a new cartridge. Priming TB2517 / GT25 704090-5001S with clean oil and cranking the engine before start-up helps establish lubrication, but it does not replace diagnosis of the earlier failure. The TB2517 / GT25 704090-5001S evidence should remain attached to the distributor order and repair record.



How does TB2517 / GT25 704090-5001S support Chevrolet S10 repair channels?

The cartridge provides a repair-focused option for workshops serving older commercial pickups with reusable turbo housings. Distributors can stock TB2517 / GT25 704090-5001S against confirmed 79035 demand and separate it from newer S10 Duramax products. Clear engine-generation and turbo-number records support repeat ordering without adding unsupported passenger-oriented applications. The TB2517 / GT25 704090-5001S evidence should remain attached to the distributor order and repair record.

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