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Part Number
4H3157
KEY
Category: — | Fits: 3512
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Fits Equipment Models (1)
3512

CAT 4H3157 KEY fits Caterpillar 3512. Available for order at WSTPARTS.

Replaceable OEM Parts (Compatible Models)
No OEM replacement record. Contact us
135-3086-8288
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CAT 4H3157 KEY for 3512 Caterpillar Part - WSTPARTS

4H3157 KEY is a Structure component engineered for Caterpillar 3512 machines, built to match original factory specifications. It is categorized under Structure. 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.

4H3157 KEY for Caterpillar 3512 — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement KEY (Part # 4H3157). Designed for CAT 3512 equipment.

Compatible Models

Key Features

  • ✔ 100% compatible with CAT 3512
  • ✔ 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)4H3157
Product NameKEY
BrandCAT
Applicable Models3512
Weight0.05 kg
ConditionNew (Genuine / OEM Equivalent)
Warranty12 Months

FAQ

Is 4H3157 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 3512.

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

Frequently Asked Questions
What equipment does 4H3157 fit?
CAT 4H3157 KEY fits 1 Caterpillar equipment model including 3512, verified against Caterpillar parts manuals and confirmed orders.
Is 4H3157 a genuine CAT part?
WSTPARTS supplies genuine CAT parts as well as quality-tested aftermarket alternatives. Contact our sales team for current availability and options for 4H3157.
How can I order 4H3157?
Add 4H3157 to the inquiry cart or contact us with your equipment model and serial number. We ship worldwide and support part number verification.

Parts Diagram

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3512 · BASIC ENGINE · 144-0742 CAT parts diagram
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13B-4505LOCKWASHER
22B-2695BOLT (5/16-18X.875 IN)
38M-7065GASKET-AIR INLETIn stock
49M-0397ADAPTER-INLET
54W-9479MANIFOLD-EXHAUST
61S-7107GASKET
75M-2894WASHER-HARD (10.2X18.5X2.5MM THK)In stock
84B-4845PLUG
91A-2029BOLT (3/8-16X1.125 IN)
103B-4506LOCKWASHER
117N-7442GASKET-AIR COMPRESSOR
127N-7446GASKET-AIR COMPRESSOR
138H-9789BALL BEARING
147N-7445CYLINDER BLOCK
152B-0858PLUG-PIPE
167N-7448GASKET-AIR COMPRESSOR
177N-7447HEAD AS-COMPRESSOR
180S-1619BOLT (3/8-16X3 IN)
197N-7450COVER-UNLOADER
203B-4504LOCKWASHER
210S-1615BOLT (1/4-20X.75 IN)
227N-7451GASKET-UNLOADER
230L-1352BOLT (3/8-16X3.25 IN)
241W-9276CRANKSHAFT-AIR COMPRESSOR
251W-9275CRANKCASE-COMPRESSOR
261W-9277COVER-AIR COMPRESSOR
271W-9279SEAL
281W-9278COVER-AIR COMPRESSOR
296F-7063NUT-SLOTTED
305P-8026PIN-COTTER
314H-3157KEY-WOODRUFF
324W-9489LOCK RING AVAILABLE REPAIR KIT(S):
337N-7435KIT-AIR COMPRESSOR (MAJOR REPAIR) (INCLUDES VALVES, SEATS, BEARINGS, SPRINGS, GASKETS, COVER, SEALS, PINS, WASHERS, & GUIDES)
344P-6409KIT-PIN (UNLOADER)
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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✉️Emailcat@wstparts.com
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