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Part Number
1D4540
CAPSCREW
Category: — | Fits: C18, 3516B, 3512, 3516C, 3306, 3406C, 3508C, 3512C, 3516, 3606, 3608, 3616, C7, C9, G3608, G3612, G3616
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Sale Price
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Fits Equipment Models (17)
3306 3406C 3508C 3512 3512C 3516 3516B 3516C 3606 3608 3616 C18 +5

CAT 1D4540 CAPSCREW fits Caterpillar 3306, 3406C, 3508C, 3512, 3512C, 3516 and 11 more models. Available for order at WSTPARTS.

Replaceable OEM Parts (Compatible Models)
No OEM replacement record. Contact us
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CAT 1D4540 CAPSCREW for C18 Caterpillar Part - WSTPARTS

The 1D4540 CAPSCREW is a genuine and high-quality OEM replacement part compatible with Caterpillar C18, 3516B and 3512 equipment. 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.

1D4540 CAPSCREW for Caterpillar C18 — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement CAPSCREW (Part # 1D4540). Designed for CAT C18, 3516B, 3512, 3516C, 3306, 3406C, 3508C, 3512C, 3516, 3606, 3608, 3616, C7, C9, G3608, G3612, G3616 equipment.

Compatible Models

Key Features

  • ✔ 100% compatible with CAT C18, 3516B, 3512, 3516C, 3306, 3406C, 3508C, 3512C, 3516, 3606, 3608, 3616, C7, C9, G3608, G3612, G3616
  • ✔ 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)1D4540
Product NameCAPSCREW
BrandCAT
Applicable ModelsC18, 3516B, 3512, 3516C, 3306, 3406C, 3508C, 3512C, 3516, 3606, 3608, 3616, C7, C9, G3608, G3612, G3616
Weight0.05 kg
ConditionNew (Genuine / OEM Equivalent)
Warranty12 Months

FAQ

Is 1D4540 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

Frequently Asked Questions
What equipment does 1D4540 fit?
CAT 1D4540 CAPSCREW fits 17 Caterpillar equipment models including 3306, 3406C, 3508C, 3512, 3512C, verified against Caterpillar parts manuals and confirmed orders.
Is 1D4540 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 1D4540.
How can I order 1D4540?
Add 1D4540 to the inquiry cart or contact us with your equipment model and serial number. We ship worldwide and support part number verification.

Parts Diagram3306

Select model:
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3306 · BASIC ENGINE · 138-2780 CAT parts diagram
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14W-4941GEAR AS (40-TEETH)
25S-0907ORIFICE
35F-3106SEAL-O-RING
44W-4925BEARING-ADAPTER (HYD PUMP DRIVE)
58N-5492RETAINER
63B-7764BUSHING (REDUCING)
76K-1972ELBOW-FLARED
83J-7354SEAL-O-RINGIn stock
91D-4586BOLT (5/8-11X3.5-IN)
105P-8247WASHER-HARD (17X32X3.5-MM THK)
111D-4540BOLT (5/16-18X2.75-IN)
129M-1974WASHER-HARD (8.8X16X2-MM THK)
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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