Welcome to WSTPARTS   Contact us: 135-3086-8288
Part Number
7W2731
RETAINER
Category: — | Fits: C18, C15, 3306, 3406C, C13, C9
List Price
Login or Register required
Sale Price
Login to view
Stock Status Available (Contact for Inquiry)
Fits Equipment Models (7)
3306 3406C C13 C15 C18 C32 C9

CAT 7W2731 RETAINER fits Caterpillar 3306, 3406C, C13, C15, C18, C32 and 1 more models. Available for order at WSTPARTS.

Replaceable OEM Parts (Compatible Models)
No OEM replacement record. Contact us
135-3086-8288
WeChat: 135-3002-9789 / 135-3086-8288
Business days 8:00–18:00
×

Share This Page

Scan the QR code to share this page

Or copy the link below:

CAT 7W2731 RETAINER for C18 Caterpillar Part - WSTPARTS

WSTPARTS supplies the 7W2731 RETAINER, a CAT Spring replacement part designed for Caterpillar C18, C15 and 3306 applications. It is categorized under Spring. 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.

7W2731 RETAINER for Caterpillar C18 — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement RETAINER (Part # 7W2731). Designed for CAT C18, C15, 3306, 3406C, C13, C9 equipment.

Compatible Models

Key Features

  • ✔ 100% compatible with CAT C18, C15, 3306, 3406C, C13, C9
  • ✔ 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)7W2731
Product NameRETAINER
BrandCAT
Applicable ModelsC18, C15, 3306, 3406C, C13, C9
Weight0.05 kg
ConditionNew (Genuine / OEM Equivalent)
Warranty12 Months

FAQ

Is 7W2731 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 7W2731 fit?
CAT 7W2731 RETAINER fits 7 Caterpillar equipment models including 3306, 3406C, C13, C15, C18, verified against Caterpillar parts manuals and confirmed orders.
Is 7W2731 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 7W2731.
How can I order 7W2731?
Add 7W2731 to the inquiry cart or contact us with your equipment model and serial number. We ship worldwide and support part number verification.

Parts Diagram3406C

Select model:
100%
3406C · LUBRICATION SYSTEM · 267-5201 CAT parts diagram
Scroll to zoom · Drag to pan
Sel 0
11B-8704KEY-WOODRUFF
21R-1808FILTER-ENGINE OIL (ADVANCED EFFICIENCY)
32N-0178PANEL
42N-0179COVER-PANEL
52N-5848BASE AS
62P-3760GASKET
72P-3761COVER
82P-4301BASE AS (OIL FILTER) (EACH INCLUDES)
92P-4304STUD-HOLLOW
102P-4305GASKET
112W-3681INDICATOR AS (ENGINE OIL PRESSURE)
123N-4622HOSE AS
134H-9756LEVER-RELEASE CONTROL
144N-7082SHIELD-OIL FILTER
154N-8150SPRING
166N-0824GASKET
176N-1258HOUSING
186N-1259POINTER
196N-7420COVER AS
207N-0911VALVE AS
213F-9190PIN
227N-0914DETENT AS
236J-8356SPRING
246N-4204PIN
256N-4205PLATE
267N-0913RING
278F-8833PIN
287W-2731RETAINER
299M-0853PLUNGER-VALVE
307J-5225FITTING (1-1/16-12-THD)
310L-2070BOLT (3/8-16X2.25-IN)
320S-1571BOLT (3/8-16X1.75-IN)
330S-1591BOLT (3/8-16X1.5-IN)
340S-1594BOLT (3/8-16X1-IN)
350S-1608BOLT (3/8-16X3.75-IN)
360S-1618BOLT (5/16-18X1-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
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
🕐 Mon-Sat 9:00-18:00 (GMT+8)
🐧QQ362655919 💚WeChatWSTPARTS Support 💬WhatsApp13530868288 📞Phone135-3086-8288
✉️Emailcat@wstparts.com
💬 Send us a message
✅ Message sent! We will reply soon.