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LuK® LFW390 - Single Mass Flywheel

7 reviews|Item # mpn4478643963
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Replaces Original (OE) Part #:4666102AA
Authorized Dealer
$201.01
In Stock (31) - Ships within 24 hrs
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Vehicle Fitment

Jeep

Specifications

Ring Gear Chamfer Side
Not available
Crank To Friction Surface
1.789 inch
Crank To Friction Surface
45.45 mm
Ring Gear Thickness
.472 inch
Ring Gear Thickness
12 mm
Number of teeth, starter ring gear
146
Crank Hole Dia.
.427 inch
Crank Hole Dia.
10.85 mm
Dowel Hole Pattern
5
Dowel hole diameter
.250 inch
Dowel hole diameter
6.35 mm
Ring Gear Major Dia.
12.352 inch
Ring Gear Major Dia.
313.75 mm
Bolt hole PCD crankshaft
2.866 inch
Bolt hole PCD crankshaft
72.8 mm
Bolt hole PCD clutch pres.plte
11.614 inch
Bolt hole PCD clutch pres.plte
295 mm
Flywheel Friction Surface Inner diameter
6.535 inch
Flywheel Friction Surface Inner diameter
166 mm
Flywheel matches Clutch
Flywheel matches Clutch
Has Dowel Pins
with Dowel Pins
Ring Gear Chamfer matches OE
Ring Gear Chamfer matches OE
Ring Gear Chamfer Position @ 6
00 O´clock: Not available
Flywheel friction surface outer diameter
11.181 inch
Flywheel friction surface outer diameter
284 mm
Overall Casting O.D.
12.402 inch
Overall Casting O.D.
315 mm
Centering diameter / dowel hole
11.614 inch
Centering diameter / dowel hole
295 mm
Bolt Hole Pattern
2
Flange Thickness
.461 inch
Flange Thickness
11.7 mm
I.D. for Pilot
.996 inch
I.D. for Pilot
25.3 mm
Ring Gear Mounting O.D.
10.886 inch
Ring Gear Mounting O.D.
276.5 mm
Flywheel Thickness [mm]
1.929 inch
Flywheel Thickness [mm]
49 mm

Features

  • Engineered and manufactured to OE specifications
  • All new components - including ring gear and dowel pins
  • Perfectly balanced
  • Precision-machined from premium grade cast iron
  • Superior quality friction surface
  • Excellent heat-absorbing capacity
  • Order from the comfort of your home or office

Product Details

Single Mass Flywheel by LuK®. LuK conventional flywheels are dynamically balanced to reduce vibration and improve clutch performance. All new – never remanufactured – every flywheel component is engineered and built to original-equipment specifications, including the ring gear and dowel pins.

Installation

LuK® - Installation Instructions

The flywheel is an integral part of a clutch replacement. In today’s tightly packaged clutch systems, flywheels can easily be machined beyond their usable life – a critical flaw that would not be evident until after the clutch is installed. Improper machining can also cause interference, no release and slipping problems. Pairing your LuK RepSet with a new LuK flywheel is a smart, cost-effective alternative to resurfacing.

LuK® - Installation InstructionsLuK Authorized DealerInstallationAdditional InformationAbout us
Brand:
LuK
Part Number:
LFW390
UPC:
670774310898
OE Numbers:
4666102AA

Reviews

(7)
Only authorized customers can leave a review on our website. We would love to know what you like or dislike about the product. Share your opinion on product quality, appearance, installation, and other characteristics.
/5
1-7 of 7 Reviews
5 of 5
Flywheel
Fit as stated and well pleased
Posted by Susan (Princeton, NC) / May 05, 2024
4 of 5
Replacement Flywheel
Good flywheel working great no issue with fitment or with the operation.
Posted by Adam (Albuquerque, NM) / September 04, 20202006 Mitsubishi Lancer
5 of 5
OEM Spec
Excellent quality, can't beat the price.
Posted by Enrico (Waipahu, HI) / June 11, 20192008 Mini Cooper
5 of 5
It’s the Factory Flywheel
Essentially it’s just the factory flywheel they use, matches up, had no issues installing it. So far so great. If you have the MMT6 manual transmission this is the replacement flywheel. I got 132k miles on my original flywheel so, if it’s just for daily driving this will hold up well.
Posted by Karlee (Santa Rosa, CA) / June 03, 20242016 Ford Focus
5 of 5
Flywheel
Good fit and operated well.
LuK® DMF121 - Dual Mass Flywheel
Posted by Richard G (Boise, ID) / March 16, 20182007 Mini Cooper
5 of 5
Meteculus Owner
Good looking stuff and mechanic recommend.
Posted by Donald (Omaha, NE) / November 02, 20162002 Volvo S60
5 of 5
LuK
LuK makes so great product that i never regret to buy it. Any complaint with installation and fitment. And service was excellent.
Posted by Wayne V. Evans (Baltimore, MD) / June 04, 20152008 Volkswagen Jetta

Questions and Answers

(0)
If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!