AMC/Jeep 3.8L/232ci (1972-1979) Crankshaft Kit – 39013

Name: Crankshaft Supply Co
SKU: d3f986335266g018
Rating: 4.6 (64 reviews)

$375.00

Fits: AMC, Jeep
Engine: 3.8L I6 (232ci)
Years: 1972-1979
Part #: 39013

Crankshaft kits include main and rod bearings.

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Out of stock

SKU: 39013 Categories: AMC, Engine Crankshaft Kits, Jeep

      EXCELLENT  
   Based on 65 reviews 
    
 
 
 
   
 
 
      Posted on Google  
   
   D W 
 17 June 2026
 
 
 Trustindex verifies that the original source of the review is Google. These guys are top notch professionals and I can't put into words the gratitude I have for Dale Swain. I will use them again if needed no doubt and I am telling everyone I know that if they need a crankshaft there is no need to look anywhere else.
  
 
     Posted on Google  
   
   Craig Tchida 
 30 May 2026
 
 
 Trustindex verifies that the original source of the review is Google. Easy pick up  no problems with fitment knowledgeable staff
  
 
     Posted on Google  
   
   Kevin anderson 
 20 December 2025
 
 
 Trustindex verifies that the original source of the review is Google. They do nice work
  
 
     Posted on Google  
   
   Ash Murr 
 14 December 2025
 
 
 Trustindex verifies that the original source of the review is Google. i love crankshaft thanks for protecting my car
i was so so scared
  
 
     Posted on Google  
   
   Santiago O'Connor 
 27 August 2025
 
 
 Trustindex verifies that the original source of the review is Google. Excellent craftsmanship they know exactly what they are doing great quality parts and service.
  
 
     Posted on Google  
   
   Oak Tree 
 24 July 2025
 
 
 Trustindex verifies that the original source of the review is Google. Fast and grateful for the work done!
  
 
     Posted on Google  
   
   juliearellano23 
 18 June 2025
 
 
 Trustindex verifies that the original source of the review is Google. Great customer service!
  
 
     Posted on Google  
   
   Nathan Decker 
 18 May 2025
 
 
 Trustindex verifies that the original source of the review is Google. Really impressed with the crankshaft and bearing set, packaging was great. Sales person i talked to (Dale) was very informative, answered all questions, even checked for the exact stock they had. No issues. Thanks again.
  
 
     Posted on Google  
   
   Lewie Plantikow 
 11 October 2024
 
 
 Trustindex verifies that the original source of the review is Google. Great place for engine machining
  
 
     Posted on Google  
   
   Big kat 
 22 April 2024
 
 
 Trustindex verifies that the original source of the review is Google. I have used these guys on my personal engines, and for my company's fleet engine work , for over 35 years,  I brought some really bad cranks to these guys , they always went beyond what I expected.
  
 
 
  
 
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Description
Additional information

The Crankshaft Kit 39013 fits AMC & Jeep vehicles with the 3.8L I6 engine, model years 1972-1979. Applications include the AMC Gremlin, Jeep CJ5, AMC Hornet, Jeep DJ5, AMC Pacer, Jeep CJ6, AMC Javelin & AMC Matador and more.

Product Notes

With centering ring on flywheel flange.

Casting Numbers

Compatible with crankshaft casting numbers 3214722.

Specifications

Part Number	39013
Product Type	Crankshaft Kit
Engine	3.8L I6 (232ci)
Years	1972-1979
Makes	AMC, Jeep

Vehicle Fitment

View Product Guide

Make	Model	Years	Engine
AMC	Concord	1978-1979	3.8L I6 (232ci)
AMC	Gremlin	1972-1978	3.8L I6 (232ci)
AMC	Hornet	1972-1977	3.8L I6 (232ci)
AMC	Javelin	1972-1974	3.8L I6 (232ci)
AMC	Matador	1972-1974	3.8L I6 (232ci)
AMC	Pacer	1975-1978	3.8L I6 (232ci)
AMC	Spirit	1979	3.8L I6 (232ci)
Jeep	CJ5	1972-1978	3.8L I6 (232ci)
Jeep	CJ6	1972-1975	3.8L I6 (232ci)
Jeep	CJ7	1976-1978	3.8L I6 (232ci)
Jeep	Commando	1972-1973	3.8L I6 (232ci)
Jeep	DJ5	1972-1977	3.8L I6 (232ci)
Jeep	J-100	1972	3.8L I6 (232ci)

Weight	68.00 lbs
Dimensions	34.00 × 8.00 × 7.00 in

Fitment Finder