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Part Number
2506903
TURBO GP-B
Category: | Fits: C18
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Replaceable OEM Parts (Compatible Models)
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CAT 2506903 TURBO GP-B for C18 Caterpillar Part - WSTPARTS

2506903 TURBO GP-B is a Turbocharger component engineered for Caterpillar C18 machines, built to match original factory specifications. It is categorized under Turbocharger. Every unit is fitment-verified before dispatch, backed by factory-direct pricing and warranty coverage. Contact our parts team with your machine serial number for a fast quotation.

2506903 TURBO GP-B for Caterpillar C18 — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement TURBO GP-B (Part # 2506903). Designed for CAT C18 equipment.

Compatible Models

Key Features

  • ✔ 100% compatible with CAT C18
  • ✔ Meets Caterpillar original quality and performance standards
  • ✔ Genuine CAT parts with anti-counterfeit label | OEM alternatives with warranty
  • ✔ Available for order, contact for lead time

Specifications

Part Number (MPN)2506903
Product NameTURBO GP-B
BrandCAT
Applicable ModelsC18
Weight0.05 kg
ConditionNew (Genuine / OEM Equivalent)
Warranty12 Months

FAQ

Is 2506903 the right part for my machine?
Match the part number on your old part, or send us your equipment serial number — WSTPARTS verifies fitment free of charge for CAT C18.

Genuine vs OEM replacement — what is the difference?
Genuine CAT parts carry an anti-counterfeit label. OEM equivalents are built to the same specifications, bench-tested and supplied with full warranty at a better price.

Stock, shipping and warranty?
Lead time confirmed on request; we quote the fastest available option. Every order is covered by a 12-month warranty.

📞 Get a Quote: Contact the WSTPARTS parts team | Email: cat@wstparts.com

Parts Diagram

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C18 · AIR INLET AND EXHAUST SYSTEM · 252-8017 CAT parts diagram
Scroll to zoom · Drag to pan
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22R-1005STUD
31S-4295GASKET (TURBOCHARGER)In stock
42N-2765BOLT-HIGH TEMPERATURE (3/8-16X1.75-IN)
50L-2070BOLT (3/8-16X2.25-IN)
60S-1571BOLT (3/8-16X1.75-IN)
70S-1591BOLT (3/8-16X1.5-IN)
86V-9027SEAL-O-RING
99S-4182PLUG-O-RING
101A-1460BOLT (1/2-13X2-IN)
111A-2029BOLT (3/8-16X1.125-IN)
123B-1915BOLT (3/8-16X1.375-IN)
135F-4899BOLT (3/8-16X5.5-IN)
145M-2894WASHER-HARD (10.2X18.5X2.5-MM THK)In stock
155P-1076WASHER-HARD (13.5X30X4-MM THK)
165P-8245WASHER-HARD (13.5X25.5X3-MM THK)
178C-3073SEAL-O-RING
188T-4835BOLT (1/2-13X2-IN)
198T-4985CLAMP-HOSE
209S-8752NUT-FULL (3/8-16-THD)
219X-6458WASHER-HARD (10.2X22.5X3-MM THK)
229X-8873BOLT (1/2-13X2.25-IN)
235P-1265HOSE (12-CM)
Quality Guarantee
Warranty Period 12 months / under normal use
After-sales Response Response within 24h, solution within 48h
Return Policy Return or exchange within 7 days of receipt (original packaging required)
Quality Inspection 100% inspected before shipment; inspection report on request
Technical Support Free installation guidance; engineer support online
📦 Packaging
Packing Method Genuine or neutral packaging available
Protective Packing Shock-proof & moisture-proof materials
Part Number Label Individual part number label
Customization Custom carton marking supported
After-Sales Service Process
01
Contact Us
Describe issue / send photos
02
Engineer Review
Solution within 24h
03
Confirm Solution
Return, repair or replacement
04
Case Closed
Send-back / re-ship / refund
Apply for After-Sales Service
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