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Part Number
7N7784
FLYWHEEL G
Category: —
List Price
$5,576.39
Stock Status Available (Contact for Inquiry)
Fits Equipment Models (1)
3508C

CAT 7N7784 FLYWHEEL G fits Caterpillar 3508C. 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
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CAT 7N7784 FLYWHEEL G Caterpillar Part - WSTPARTS

7N7784 FLYWHEEL G — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement FLYWHEEL G (Part # 7N7784). Designed for CAT Caterpillar equipment.

Key Features

  • ✔ 100% compatible with CAT matching models
  • ✔ 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)7N7784
Product NameFLYWHEEL G
BrandCAT
Weight136.58 kg
ConditionNew (Genuine / OEM Equivalent)
Warranty12 Months

Where This Part Fits

Every row below is a real listing of 7N7784 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
3508C ENGINE ARRANGEMENT 282-9662 p.78

System Notes — ENGINE ARRANGEMENT

The engine arrangement group covers the parts that mount and dress the engine as an assembly rather than the engine internals: engine mounts and isolators, belts and tensioners, pulleys, guards, brackets, and the plumbing that connects the engine to the rest of the machine. It is the interface layer, so its failures usually show up as vibration, belt squeal or a component that will not stay aligned. Worn isolators transmit vibration into the frame and fatigue nearby brackets; a tired tensioner lets the belt slip and takes the alternator or water pump with it. Parts are replaced when vibration at idle becomes noticeable or a belt starts tracking off its pulley.

FAQ

Is 7N7784 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.

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 7N7784 fit?
CAT 7N7784 FLYWHEEL G fits 1 Caterpillar equipment model including 3508C, verified against Caterpillar parts manuals and confirmed orders.
Where is 7N7784 listed in the Caterpillar parts manual?
7N7784 is listed in the Caterpillar parts manual under 3508C, ENGINE ARRANGEMENT, group 282-9662, page 78.
How can I order 7N7784?
Add 7N7784 to the inquiry cart, or send us your machine model and serial number — we verify the part number before dispatch.

Parts Diagram

100%
7N-7784 FLYWHEEL GP CAT parts diagram
Scroll to zoom · Drag to pan
Sel 0
18N-8993CONNECTION GP-WATER
24W-5893COOLER GP-ENGINE OIL
38N-7182DAMPER GP
47E-7647DRIVE GP-ACCESSORY (LOWER, LH)
57W-9741FILTER GP-FUEL
67N-7784FLYWHEEL GP
77C-6366GAUGE GP-OIL LEVEL (DIPSTICK)
88N-7174GEAR GP-FRONT
94P-5426HOUSING GP-FRONT (ACCESSORY DRIVE)
107E-6872LIFTING GP-ENGINE
117C-6887PAN GP-OIL
127N-8715PUMP GP-ENGINE OIL
138N-6151PUMP GP-FUEL TRANSFER (1-SECTION GEAR)
142W-9726PUMP GP-WATER (ENGINE COOLANT)
159Y-8175PUMP GP-WATER (AFTERCOOLER)
168N-7643REGULATOR GP-TEMPERATURE
177W-3813SEAL GP-CRANKSHAFT
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
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02
Engineer Review
Solution within 24h
03
Confirm Solution
Return, repair or replacement
04
Case Closed
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