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Part Number
2449973
SWITCH-AUX
Category: — | Fits: 3516B, C27
List Price
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Sale Price
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Status Stok Available (Contact for Inquiry)
Replaceable OEM Parts (Compatible Models)
No OEM replacement record. Contact us
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CAT 2449973 SWITCH-AUX for 3516B Caterpillar Part - WSTPARTS

WSTPARTS supplies the 2449973 SWITCH-AUX, a CAT Switch/Relay replacement part designed for Caterpillar 3516B and C27 applications. It is categorized under Switch/Relay. 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.

2449973 SWITCH-AUX for Caterpillar 3516B — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement SWITCH-AUX (Part # 2449973). Designed for CAT 3516B, C27 equipment.

Compatible Models

Key Features

  • ✔ 100% compatible with CAT 3516B, C27
  • ✔ 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)2449973
Product NameSWITCH-AUX
BrandCAT
Applicable Models3516B, C27
Weight0.23 kg
ConditionNew (Genuine / OEM Equivalent)
Warranty12 Months

FAQ

Is 2449973 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 3516B.

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 Diagram3516B

Select model:
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3516B · ELECTRICAL AND STARTING SYSTEM · 244-9870 CAT parts diagram
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Sel 0
11B-7182BOLT (5/16-18X1.25-IN)
29M-1974WASHER-HARD (8.8X16X2-MM THK)
36N-4414COVER-FILTER BASE
43B-4506LOCKWASHER
56V-8801NUT (3/8-16-THD)
65M-2894WASHER-HARD (10.2X18.5X2.5-MM THK)In stock
78T-4896WASHER-HARD (10.2X18.5X2.5-MM THK)
89S-4182PLUG-O-RING
99B-7237BOLT (3/8-16X1.25-IN)In stock
102W-9300COVER-FILTER HOUSING
117B-2742BOLT (1/4-20X1.25-IN)
125P-0537WASHER-HARD (7.2X14.5X2-MM THK)In stock
139S-4190PLUG-O-RINGIn stock
148L-2786SEAL-O-RING
159Y-8389GASKET (FUEL FILTER)
169S-4185PLUG-O-RING
176V-4589SEAL-O-RING
189S-4191PLUG-O-RING
196V-5049SEAL-O-RINGIn stock
203B-1915BOLT (3/8-16X1.375-IN)
218M-9024WASHER-HARD (10.2X22.5X5-MM THK)
220S-1588BOLT (3/8-16X1.25-IN)
236M-7476ELBOW
240S-1591BOLT (3/8-16X1.5-IN)
259S-8752NUT-FULL (3/8-16-THD)
262W-6290TUBE AS
270S-1594BOLT (3/8-16X1-IN)
284W-4444ADAPTER-VALVE
292W-6286VALVE AS-CONTROL (DUPLEX FUEL FILTER)
306V-5048SEAL-O-RING
319S-7381BOLT-SOCKET HEAD (5/16-18X2-IN)
322S-5100VALVE AS-MANUAL (FUEL)
337D-4903ADAPTER
347F-0192BOLT (3/8-16X2-IN)
351P-3861CONNECTOR
362W-6672VALVE AS-TOGGLE (FUEL)
372W-6667TUBE AS
388L-6557CONNECTOR
395D-5957SEAL-O-RING (FUEL FILTER)In stock
402W-6287VALVE AS-CHECK (FUEL)
411R-0756FILTER ELEMENT-FUEL (ADVANCED EFFICIENCY) (HIGH EFFICIENCY)In stock
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
Online Support ● Online
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✉️Emailcat@wstparts.com
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