C6.4 Engine Overhaul Kit C6.4-KS-3245 for Caterpillar 320D / 321D / 323D

C6.4 Engine Gasket / Overhaul Kit, replacement for Caterpillar C6.4-KS-3245. Fits CAT C6.4, CAT 320D / 321D / 323D.
C6.4 Engine Overhaul Kit C6.4-KS-3245 for Caterpillar 320D / 321D / 323D
C6.4 Engine Overhaul Kit C6.4-KS-3245 for Caterpillar 320D / 321D / 323D
C6.4 Engine Overhaul Kit C6.4-KS-3245 for Caterpillar 320D / 321D / 323D
AI Search Summary

C6.4 Engine Gasket / Overhaul Kit for Caterpillar CAT C6.4, replacement for CAT C6.4-KS-3245. Fits CAT 320D / 321D / 323D.

Key Facts
MOQ5 kits
Lead Time15-30 Days
Warranty12 Months
MaterialMulti-material gasket set
OEM / Reference
C6.4KS3245CAC6.4KS3245C6.4-KS-3245["C6.4KS3245"
Available — Xi’an consolidation point · reply within 24h
Compatible with: Caterpillar / 320D, 321D, 323D · Engine: CAT C6.4
40+Machine brands covered
On requestSourcing on request
24hResponse time
100%Pre-shipment photo check
Four checks before you pay
The order we never skip — which is why the wrong part does not reach your site.
01
Confirm

Nameplate, OEM number and working conditions — checked against your machine, confirmed in writing before you pay.

02
Verify

Photos and video of the actual part, packed and labelled, before it leaves. What you see is what ships.

03
Prevent

Send the hour-meter reading and we log the service interval — you get a message before the next one is due.

04
Dispatch

Nothing leaves Xi’an until you reply "ok". You approve, then we ship — not the other way round.

Confirm this part for my machine
Machine model and part number are what let us confirm fitment in writing. Message is optional.
 Or chat on WhatsApp
Reply within 24h · Fitment confirmed in writing before you pay · No spam.

Overview

Fitment Note: Confirmed by the removed part number and the engine model. Fits Caterpillar CAT C6.4 on CAT 320D / 321D / 323D. Tell us your machine model and we confirm fitment.
Specifications
MOQ5 kits
TypeEngine gasket / overhaul kit
EngineCAT C6.4
ContentsGaskets + seals (per order)
ShippingRail / Sea / Air
Warranty12 Months
Lead Time15-30 Days
ApplicationCAT 320D / 321D / 323D
C6.4 engine gasket / overhaul kit for the Caterpillar C6.4 diesel engine used in CAT 320D / 321D / 323D excavators — a set of gaskets and seals for resealing the engine during a top-end or full overhaul. The exact contents are confirmed per order. Used when the engine has multiple gasket leaks or is being stripped for a head job or overhaul, so all the mating seals are renewed together. Supplied as one set. Confirm the engine model and serial number before ordering so the correct gasket set is supplied; clean all mating faces and use new fasteners where specified.

Key Features

  • Direct replacement for CAT C6.4-KS-3245
  • Fits Caterpillar CAT C6.4
  • CAT models: 320D / 321D / 323D
  • Material: Multi-material gasket set
  • Quality aftermarket part, 12-month warranty

Fits these machines

Caterpillar 320D 321D 323D

Common Fault Symptoms

Multiple leaks (head, sump, timing cover, etc.), oil burning, a head job or overhaul.

Installation Tips

  1. 1. Confirm the engine model and serial.
  2. 2. Clean all mating faces.
  3. 3. Fit the gaskets dry/as specified; use new fasteners where required.
  4. 4. Torque to spec and check for leaks after warm-up.

Technical Data

MaterialMulti-material gasket set
DimensionsPer engine
PackageCarton / Wooden Case
SystemEngine System
PositionInternal
Manufacturer QMSISO9001
Warranty12 Months
Lead Time15-30 Days
MOQ5 kits
PackagingCarton, Wooden Case
Delivery15-30 Days

Fits these machines

Caterpillar 320D 321D 323D
Part NumberMachine ModelTypeAvailability
C6.4KS3245320D / 321D / 323DReplacement partIn Stock
CAC6.4KS3245320D / 321D / 323DReplacement partIn Stock
C6.4-KS-3245320D / 321D / 323DReplacement partIn Stock
["C6.4KS3245"320D / 321D / 323DReplacement partIn Stock
"CAC6.4KS3245"320D / 321D / 323DReplacement partIn Stock
"C6.4-KS-3245"]320D / 321D / 323DReplacement partIn Stock

This is a partial reference. Send your part number or machine model — we source and confirm it for you.

Part Number Cross Reference

Original (OEM)C6.4KS3245 / CAC6.4KS3245 / C6.4-KS-3245 / ["C6.4KS3245" / "CAC6.4KS3245" / "C6.4-KS-3245"]
Brand No.CAC6.4KS3245
Cross ReferenceC6.4-KS-3245
Cross ReferenceC6.4KS3245
What you're quietly worried about
We put it on the table and say exactly how we handle it.
ConcernImpactHow we help
Wrong part modelInstallation failure, extra costConfirmed by number, model and photos before shipment.
Unclear part numberDelays in sourcingWe identify the part from whatever info you have.
Poor qualityDowntime and complaintsStable replacement elements; every unit checked.
Slow responseProject delaysReply within 24 hours.
Many suppliersComplex procurement, higher costWide coverage, mixed orders from one source.
Shipping riskDamage or late arrivalExport packing and the right shipping method.
High MOQFinancial riskFlexible quantity — start small.
No after-salesProblems unresolvedWe stay in touch after delivery.
How we work
Every step — what you do, what we do.
01

Send your request

Send part number, machine model or photo — whatever you have.

02

Model confirmation

We confirm the correct part from your number, model and photos.

03

Quotation & details

You receive price, availability and specifications.

04

Order confirmation

We arrange preparation on the agreed terms.

05

Inspection & packing

We check the parts and send photos before dispatch.

06

Shipping & delivery

Express, air, rail or sea — with tracking after dispatch.

Frequently asked questions
Is C6.4-KS-3245 the same as C6.4-KS-3245?

C6.4 Engine Gasket / Overhaul Kit C6.4-KS-3245 is our replacement for the original Caterpillar C6.4-KS-3245; the original number is kept for cross-reference.

What engine does it fit?

Caterpillar CAT C6.4, on CAT 320D / 321D / 323D.

What should I send to confirm?

Photos of the old part, the engine nameplate and your machine model.

What is the warranty / lead time?

12 months warranty; lead time 15-30 days.

Find the right part in 3 ways
By Part Number
By Machine Model
By Photo
Best for traders — you already have the number
Best for workshops — you know the machine
Best for site teams — only a nameplate photo
Not sure which one to send? Just share whatever you have.
Why buyers trust us
Each concern answered with a specific action.
01
Same series, different machine — different part.
We confirm by part number, model and photos before shipment.
02
Waiting days for a price loses the deal.
Quotation and model confirmation within 24 hours.
03
Cheap parts fail and cause downtime.
Every unit checked; stable replacement-grade parts.
04
Photos online are often copied.
We send real inspection & packing photos before dispatch.
05
High minimums tie up cash.
Start small and scale up — mixed orders supported.
06
Damage or late delivery.
Proper packing; express, air, rail or sea with tracking.
07
The supplier disappears after payment.
One contact stays with you for installation and use.
08
Buying from China feels like a gamble.
Transparency and accountable English/Russian support.

Related products

3066 Engine Overhaul Kit (+0.5 mm) 3066-ENGOV-D for Caterpillar 3066 / S6K Engine
Caterpillar 320B · Caterpillar 320C

3066 Engine Overhaul Kit (+0.5 mm) 3066-ENGOV-D for Caterpillar 3066 / S6K Engine

OEM: 3066ENGOVD / CAC3066ENGOVD
Available · usually $20–200
C6.4 Engine Overhaul Kit (Standard) C6.4-ENGOV-C for Caterpillar 320D / 321D / 323D
Caterpillar 320D · Caterpillar 321D

C6.4 Engine Overhaul Kit (Standard) C6.4-ENGOV-C for Caterpillar 320D / 321D / 323D

OEM: C6.4ENGOVC / CAC6.4ENGOVC
Available · usually $20–200
C6.4 Engine Overhaul Kit (+0.5 mm) C6.4-ENGOV-D for Caterpillar 320D / 321D / 323D
Caterpillar 320D · Caterpillar 321D

C6.4 Engine Overhaul Kit (+0.5 mm) C6.4-ENGOV-D for Caterpillar 320D / 321D / 323D

OEM: C6.4ENGOVD / CAC6.4ENGOVD
Available · usually $20–200