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Part Number
8T4971
BOLT
Category: — | Fits: 345C, 345B, 365B, 325C, 325D, 330C, 330D, 320C, 320D, 345D
List Price
¥3.62
Статус наличия Available (Contact for Inquiry)
Fits Equipment Models (21)

CAT 8T4971 BOLT fits Caterpillar 320C, 320D, 325C, 325D, 330C, 330D and 15 more models. Available for order at WSTPARTS.

Direct Replacement Parts (Compatible Models)
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CAT 8T4971 BOLT for 345C Caterpillar Part - WSTPARTS

The 8T4971 BOLT is a genuine and high-quality OEM replacement part compatible with Caterpillar 345C, 345B and 365B equipment. It is categorized under Bolt/Nut. Every unit is fitment-verified before dispatch. Manual reference: 330D: OPERATOR STATION, group 235-9021, page 779; 336D: OPERATOR STATION, group 314-3708, page 680.

8T4971 BOLT for Caterpillar 345C — Genuine CAT & Replacement Part

WSTPARTS supplies genuine CAT and OEM-equivalent direct-replacement BOLT (Part # 8T4971). Designed for CAT 345C, 345B, 365B, 325C, 325D, 330C, 330D, 320C, 320D, 345D equipment.

Compatible Models

Key Features

  • ✔ 100% compatible with CAT 345C, 345B, 365B, 325C, 325D, 330C, 330D, 320C, 320D, 345D
  • ✔ Meets Caterpillar original quality and performance standards
  • ✔ Genuine CAT lines: New Genuine / Cat Reman / Cat Classic | OEM-equivalent direct replacements
  • ✔ Available for order, contact for lead time

Specifications

Part Number (MPN)8T4971
Product NameBOLT
BrandCAT
Applicable Models345C, 345B, 365B, 325C, 325D, 330C, 330D, 320C, 320D, 345D
Weight0.05 kg
ConditionNew (Genuine CAT / OEM-equivalent direct replacement)
Warranty12 Months

Where This Part Fits

Every row below is a real listing of 8T4971 in the Caterpillar parts manual: the machine it is published under, the system it belongs to, the group number and the manual page. Use it to confirm the part against your own parts book before ordering.

Machine System Group No. Manual Page
330D OPERATOR STATION 235-9021 p.779
336D OPERATOR STATION 314-3708 p.680
345B OPERATOR STATION 128-2146 p.771
3508C FUEL SYSTEM 241-4903 p.249
3512C FUEL SYSTEM 115-1064 p.237
3516B FUEL SYSTEM 115-1063 p.397
3516C FUEL SYSTEM 241-4902 p.332
365B ELECTRICAL AND STARTING SYSTEM 139-4004 p.185

System Notes — OPERATOR STATION

The operator station covers the cab structure, seat and suspension, glass, wipers, door hardware, pedals, joysticks, armrests, HVAC ducting and the interior trim. It is the group that decides how tolerable a ten-hour shift feels. Wear here is driven by daily entry and exit, sun exposure and dust: seat suspensions sag, door struts lose charge, wiper linkages seize, and rubber seals harden until the cab leaks in rain. Parts in this group are replaced when a control feels vague, a latch no longer holds, or the cab no longer keeps dust and water out — small items, but the ones operators complain about first.

System Notes — FUEL SYSTEM

The fuel system covers the injection pump, injectors, fuel transfer pump, filters and water separator, lines and the tank. It meters and atomises diesel at the precise moment and quantity the engine needs. Modern CAT engines run very tight injector tolerances, so the group is sensitive to water and dirt: a worn injector dribbles instead of atomising, causing rough idle, white smoke and diluted oil, while a clogged filter starves the pump under load. Parts here are replaced when the engine misfires, smokes, loses power under load, or when the water separator keeps tripping — always after the fuel quality itself has been ruled out.

FAQ

Is 8T4971 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 345C.

Genuine CAT vs direct replacement — what is the difference?
Genuine CAT covers three factory lines: New Genuine, Cat Reman (core exchange with core charge) and Cat Classic (brand-new economy line). OEM-equivalent direct replacements are non-CAT parts; grade and warranty are confirmed in the quotation.

Stock, shipping and warranty?
Lead time confirmed on request; we quote the fastest available option. Every order is covered by a warranty per quotation.

📞 Get a Quote: Contact the WSTPARTS parts team | Email: cat@wstparts.com

Frequently Asked Questions
What equipment does 8T4971 fit?
CAT 8T4971 BOLT fits 21 Caterpillar equipment models including 320C, 320D, 325C, 325D, 330C, verified against Caterpillar parts manuals and confirmed orders.
Where is 8T4971 listed in the Caterpillar parts manual?
8T4971 is listed in the Caterpillar parts manual under 330D, OPERATOR STATION, group 235-9021, page 779.
How can I order 8T4971?
Add 8T4971 to the inquiry cart, or send us your machine model and serial number — we verify the part number before dispatch.

Parts Diagram330D

Select model:
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330D CAT parts diagram
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17I-2673STRAP
21S-0994CLIP
33K-0360SEAL - O - RING (ID=16.36mm)In stock
44I-3503GROMMET
56V-3265CLIP
66V-7238VALVEIn stock
76V-7357BOLT (L=25mm)
87Y-8165GROMMET
97Y-8167GROMMET
108M-2773CLIP
118T-4121WASHER
128T-4137BOLT (L=20mm)
138T-4191BOLT (L=16mm)
148T-4200BOLT (L=16mm)
158T-4224WASHER
168T-4971BOLT (L=30mm)
179X-8256WASHER
185P-0767HOSE (405cm)
193S-8536SPACER
208T-4195BOLT (L=30mm)
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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03
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04
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