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New Clutch Set
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New Clutch Set by Perfection Clutch (part#MU1121-1) / Clutch Components

Part No. MU1121-1 Warranty Details  
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Brand: Perfection Clutch
Advance Auto Parts Part#: 5334640
Suitable vehicles: Click to find if this product can be used with your vehicle:
  • Mazda
    • MX-3 GS
      • 1993
        • 1993 Mazda MX-3 GS (1.8L 1845CC V6 FI )
    • Protege DX
      • 1992
        • 1992 Mazda Protege DX (1.8L 1839CC L4 FI )
    • Protege LX
      • 1994
        • 1994 Mazda Protege LX (1.8L 1839CC L4 FI VIN: DOHC)

New Perfection Clutch Sets include a new O.E.M.-style cover assembly that's been computer-tested for clamp load, plate lift, and finger height, a new O.E.M.-style clutch disc with facings built to exceed O.E.M. specifications and a new clutch release bearing that meets or exceeds O.E.M. specifications. Also includes a new pilot bearing/bushing (where used), an alignment tool for the perfect clutch installation (where available) and a hydraulic line disconnect tool (where used).
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Alignment Tool Included:Yes
Clutch Disc Diameter:8.5 in
Clutch Disc Type:Dampened
Counterweight Assist:No
Disc Diameter:8.5 in
Disc Material:Organic
Flywheel Included:No
Hardware Included:No
Input Shaft Diameter:0.937 in
Input Spline Quantity:22
Pilot Bushing Included:No
Pressure Plate Type:Diaphragm
Release Bearing Included:Yes


by PowerReviews
Perfection ClutchNew Clutch Set

(based on 2 reviews)

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Reviewed by 2 customers

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(2 of 4 customers found this review helpful)


They do not tell you there are two motor

By butcher

from Springfield, IL

Verified Buyer
Level 1

Comments about Perfection Clutch New Clutch Set:

There are two types motors and they do not tell you that when you look it up.

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(4 of 6 customers found this review helpful)


I had this clutch on my car for 9 years

By Ivan

from Alexandria VA

Helpful Reviewer


  • Durable
  • Provides Smooth Shifting


  • Difficult To Install
  • Heavy
  • No Increase In Performance

Best Uses

  • Everyday Driving

Comments about Perfection Clutch New Clutch Set:

I had this clutch on my car for 9 years with around 90 thousand miles on it. Works great and would recommend it to anyone on a budget. Was in stalled in 2002 and was removed from service in April 2011. This time I decided to go for a Duralast Clutch.

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Ask a question, get answers from real customers and in-house experts. Or contact Customer Care by email or call 1-877-238-2623.

1 Question | 1 Answer
Displaying question 1
  • Q:

    There are two motors what clutch set is for the dule over haed vaule
    Asked on 6/7/2011 by butcher from Springfield, IL

    1 answer



      For further assistance, please provide the year, make, model and engine size of the vehicle in question.

      Answered on 6/20/2011 by Vincent from AAP
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