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Part Number
1A1135
CAPSCREW
Category: — | Fits: C18, C15, 3306, 3406C, 3406E, 3412C, 3606, 3608, 3616, C27, C32, C9, G3608, G3612, G3616
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Fits Equipment Models (15)
3306 3406C 3406E 3412C 3606 3608 3616 C15 C18 C27 C32 C9 +3

CAT 1A1135 CAPSCREW fits Caterpillar 3306, 3406C, 3406E, 3412C, 3606, 3608 and 9 more models. Available for order at WSTPARTS.

Replaceable OEM Parts (Compatible Models)
No OEM replacement record. Contact us
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CAT 1A1135 CAPSCREW for C18 Caterpillar Part - WSTPARTS

1A1135 CAPSCREW is a Electrical System component engineered for Caterpillar C18, C15 and 3306 machines, built to match original factory specifications. 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.

1A1135 CAPSCREW for Caterpillar C18 — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement CAPSCREW (Part # 1A1135). Designed for CAT C18, C15, 3306, 3406C, 3406E, 3412C, 3606, 3608, 3616, C27, C32, C9, G3608, G3612, G3616 equipment.

Compatible Models

Key Features

  • ✔ 100% compatible with CAT C18, C15, 3306, 3406C, 3406E, 3412C, 3606, 3608, 3616, C27, C32, 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)1A1135
Product NameCAPSCREW
BrandCAT
Applicable ModelsC18, C15, 3306, 3406C, 3406E, 3412C, 3606, 3608, 3616, C27, C32, C9, G3608, G3612, G3616
Weight0.14 kg
ConditionNew (Genuine / OEM Equivalent)
Warranty12 Months

FAQ

Is 1A1135 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 1A1135 fit?
CAT 1A1135 CAPSCREW fits 15 Caterpillar equipment models including 3306, 3406C, 3406E, 3412C, 3606, verified against Caterpillar parts manuals and confirmed orders.
Is 1A1135 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 1A1135.
How can I order 1A1135?
Add 1A1135 to the inquiry cart or contact us with your equipment model and serial number. We ship worldwide and support part number verification.

Parts Diagram3306

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3306 · BASIC ENGINE · 030-8535 CAT parts diagram
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11A-1135BOLT (5/8-11X2-IN)
27N-2994WASHER (49.3X16.25X12.3-MM THK)
37W-0508GEAR-FUEL PUMP DRIVE (80-TEETH)
40S-1594BOLT (3/8-16X1-IN)
55M-2894WASHER-HARD (10.2X18.5X2.5-MM THK)In stock
67N-4791GEAR AS-FUEL PUMP IDLER (57-TEETH)
75S-7630BUSHING
85B-9079NUT-JAM (3/8-24-THD)
91W-4402GEAR-CAMSHAFT (80-TEETH)
108N-4959SHAFT-DRIVE IDLER
118N-4960PLATE-THRUST
120S-1618BOLT (5/16-18X1-IN)
137N-4722GEAR AS-IDLER (60-TEETH)
142P-1168BUSHING
150S-1748BOLT (3/8-24X2-IN)
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
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Describe issue / send photos
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Solution within 24h
03
Confirm Solution
Return, repair or replacement
04
Case Closed
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