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Part Number
3B4503
LOCKWASHER
Category: — | Fits: G3508, 3516, C175, 320C, 320D
List Price
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Stock Status Available (Contact for Inquiry)
Fits Equipment Models (5)
320C 320D 3516 C175 G3508

CAT 3B4503 LOCKWASHER fits Caterpillar 320C, 320D, 3516, C175, G3508. Available for order at WSTPARTS.

Replaceable OEM Parts (Compatible Models)
No OEM replacement record. Contact us
135-3086-8288
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CAT 3B4503 LOCKWASHER for G3508 Caterpillar Part - WSTPARTS

The 3B4503 LOCKWASHER is a genuine and high-quality OEM replacement part compatible with Caterpillar G3508, 3516 and C175 equipment. It is categorized under Bolt/Nut. 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.

3B4503 LOCKWASHER for Caterpillar G3508 — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement LOCKWASHER (Part # 3B4503). Designed for CAT G3508, 3516, C175, 320C, 320D equipment.

Compatible Models

Key Features

  • ✔ 100% compatible with CAT G3508, 3516, C175, 320C, 320D
  • ✔ 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)3B4503
Product NameLOCKWASHER
BrandCAT
Applicable ModelsG3508, 3516, C175, 320C, 320D
Weight0.05 kg
ConditionNew (Genuine / OEM Equivalent)
Warranty12 Months

FAQ

Is 3B4503 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

Frequently Asked Questions
What equipment does 3B4503 fit?
CAT 3B4503 LOCKWASHER fits 5 Caterpillar equipment models including 320C, 320D, 3516, C175, G3508, verified against Caterpillar parts manuals and confirmed orders.
Is 3B4503 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 3B4503.
How can I order 3B4503?
Add 3B4503 to the inquiry cart or contact us with your equipment model and serial number. We ship worldwide and support part number verification.

Parts DiagramG3508

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G3508 · LUBRICATION SYSTEM · 113-4174 CAT parts diagram
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17L-5219RELAY (OIL PRESSURE)
25L-2579GROMMET
34B-1227SCREW-MACHINE
42W-3406SUPPORT-SWITCH
50S-1594BOLT (3/8-16X1IN)
69L-9132WASHER (2.5MM THK)
76N-8744MOUNT
85P-9617ADAPTER
95D-9231CONNECTOR
103N-4579HOSE AS
115J-7303ELBOW (FLARED)
129M-7357COUPLING AS
132H-1258BOX-HANDY
142H-1259COVER-HANDY BOX
156V-8376SCREW-MACHINE (8-32X.25IN)In stock
162N-3378ELBOW
170S-1571BOLT (3/8-16X1.75IN)
185M-2894WASHER (2.5MM THK)In stock
190S-1588BOLT (3/8-16X1.25IN)
206B-4661BUSHING-REDUCER
213R-1059FLANGE
223N-6935VALVE-CHECK
238M-0755CONNECTOR
249G-2653HOSE AS
252N-7613PUMP GP-PRELUBE
267L-7262ELBOW-FLARED
271A-5822BOLT (1/2-13X2.75IN)
281N-3872SUPPORT
291W-4257BRACKET AS
304K-9097NUT-WELD (5/16-18 THD)
311B-9575BOLT (5/16-18X1.75IN)
329M-1974WASHER-HARD (2MM THK)
331M-3381SPACER
342G-6304STRAINER AS
351W-4821HOSE AS-PAN
364B-1243SCREW-MACHINE
379W-5215HOSE AS
382B-2695BOLT (5/16-18X.875IN)
392G-6303SEAL
405P-5846SEAL-O-RING (40.64MM ID)
413B-4502LOCKWASHER (1.19MM THK)
423B-4503LOCKWASHER
430L-1325WASHER
446V-5048SEAL-O-RING (8.92MM ID)
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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