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Part Number
9Y8412
DIODE A
Category: | Fits: G3508
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Replaceable OEM Parts (Compatible Models)
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CAT 9Y8412 DIODE A for G3508 Caterpillar Part - WSTPARTS

WSTPARTS supplies the 9Y8412 DIODE A, a CAT Electrical System replacement part designed for Caterpillar G3508 applications. It is categorized under Electrical System. 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.

9Y8412 DIODE A for Caterpillar G3508 — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement DIODE A (Part # 9Y8412). Designed for CAT G3508 equipment.

Compatible Models

Key Features

  • ✔ 100% compatible with CAT G3508
  • ✔ 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)9Y8412
Product NameDIODE A
BrandCAT
Applicable ModelsG3508
Weight0.05 kg
ConditionNew (Genuine / OEM Equivalent)
Warranty12 Months

FAQ

Is 9Y8412 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 G3508.

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 DiagramG3508

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G3508 · ELECTRICAL AND STARTING SYSTEM · 114-8140 CAT parts diagram
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Sel 0
23E-5503BAR-FIXED BRIDGE
35S-4245SCREW-MACHINE (4-40X0.5IN)
46B-4540NUT (4-40 THD)
56B-4542LOCKWASHER
74P-8134CLIP
84W-9149SPACER
99X-6772STRAP-CABLE
105P-4115WASHER (2MM THK)
118N-0694SWITCH AS (DIAGNOSTIC RESET)
123L-8187LOCKWASHER (#6-INT) (3.7MM ID)
136T-3631NUT-HEX (15/32-32 THD)
146T-3632LOCKWASHER (12MM ID)
156T-3633LOCKRING
166V-8374SCREW-MACHINE (6-32X.25IN)
176T-6970SWITCH AS-TOGGLE (OXYGEN SENSOR CALIBRA.)
183B-4501LOCKWASHER (1.02MM THK) (#8)
196V-8376SCREW-MACHINE (8-32X.25IN)In stock
203E-0356BLOCK-TERMINAL
218T-4205WASHER-HARD (2MM THK)
225P-8998NIPPLE
235P-4653CONNECTOR
245B-2183NUT-JAM (9/16-18 THD)
258T-5447RING-RETAINING
265P-2675BOLT (1/4-20X1.75IN)
277C-4550SEAL-SHAFT
289Y-8412DIODE AS
295P-1475TERMINAL (HORN)
303E-0368BAR-BRIDGE
313K-8782FUSE (10 AMP)
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
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