Chevrolet, Engine Crankshaft Kits, GMC, Pontiac

Chevrolet/GMC/Pontiac 4.1L/250ci (1977-1984) Crankshaft Kit – 18045

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

$330.00

Fits: Chevrolet, GMC, Pontiac
Engine: 4.1L I6 (250ci)
Years: 1977-1984
Part #: 18045

Crankshaft kits include main and rod bearings.

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Availability: 1 in stock

SKU: 18045 Categories: Chevrolet, Engine Crankshaft Kits, GMC, Pontiac

      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.
  
 
 
  
 
   Verified by Trustindex  Trustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more

Description
Additional information

The Crankshaft Kit 18045 fits Chevrolet, GMC & Pontiac vehicles with the 4.1L I6 engine, model years 1977-1984. Applications include the Chevrolet C10, Chevrolet C20, Chevrolet G10, Chevrolet K10, Chevrolet G20, Chevrolet G30, Chevrolet K5 Blazer & GMC C1500 and more.

Casting Numbers

Compatible with crankshaft casting numbers 460407.

Specifications

Part Number	18045
Product Type	Crankshaft Kit
Engine	4.1L I6 (250ci)
Years	1977-1984
Makes	Chevrolet, GMC, Pontiac

Vehicle Fitment

View Product Guide

Make	Model	Years	Engine
Chevrolet	C10	1977-1984	4.1L I6 (250ci)
Chevrolet	C10 Suburban	1977-1980	4.1L I6 (250ci)
Chevrolet	C20	1977-1984	4.1L I6 (250ci)
Chevrolet	C30	1978-1980	4.1L I6 (250ci)
Chevrolet	Camaro	1977-1979	4.1L I6 (250ci)
Chevrolet	Caprice	1977-1979	4.1L I6 (250ci)
Chevrolet	El Camino	1977	4.1L I6 (250ci)
Chevrolet	G10	1977-1984	4.1L I6 (250ci)
Chevrolet	G20	1979-1984	4.1L I6 (250ci)
Chevrolet	G30	1978-1979, 1981-1984	4.1L I6 (250ci)
Chevrolet	Impala	1977-1979	4.1L I6 (250ci)
Chevrolet	K10	1977-1984	4.1L I6 (250ci)
Chevrolet	K10 Suburban	1977-1980	4.1L I6 (250ci)
Chevrolet	K20	1978-1980	4.1L I6 (250ci)
Chevrolet	K5 Blazer	1977-1982	4.1L I6 (250ci)
Chevrolet	Nova	1977-1979	4.1L I6 (250ci)
Chevrolet	P30	1979	4.1L I6 (250ci)
GMC	C15	1977-1978	4.1L I6 (250ci)
GMC	C15 Suburban	1977-1978	4.1L I6 (250ci)
GMC	C1500	1979-1984	4.1L I6 (250ci)
GMC	C1500 Suburban	1979-1980	4.1L I6 (250ci)
GMC	C25	1977-1978	4.1L I6 (250ci)
GMC	C2500	1979-1984	4.1L I6 (250ci)
GMC	C35	1978	4.1L I6 (250ci)
GMC	C3500	1979-1980	4.1L I6 (250ci)
GMC	G15	1977-1978	4.1L I6 (250ci)
GMC	G1500	1979-1984	4.1L I6 (250ci)
GMC	G2500	1979-1984	4.1L I6 (250ci)
GMC	G35	1978	4.1L I6 (250ci)
GMC	G3500	1979, 1982-1984	4.1L I6 (250ci)
GMC	Jimmy	1977-1982	4.1L I6 (250ci)
GMC	K15	1977-1978	4.1L I6 (250ci)
GMC	K15 Suburban	1977-1978	4.1L I6 (250ci)
GMC	K1500	1979-1984	4.1L I6 (250ci)
GMC	K1500 Suburban	1979-1980	4.1L I6 (250ci)
GMC	K25	1978	4.1L I6 (250ci)
GMC	K2500	1980	4.1L I6 (250ci)
GMC	Sprint	1977	4.1L I6 (250ci)
Pontiac	Catalina	1977-1979	4.1L I6 (250ci)
Pontiac	Grand LeMans	1977	4.1L I6 (250ci)
Pontiac	Laurentian	1977-1979	4.1L I6 (250ci)
Pontiac	LeMans	1977	4.1L I6 (250ci)
Pontiac	Parisienne	1977-1979	4.1L I6 (250ci)

Weight	72.00 lbs
Dimensions	34.00 × 8.00 × 7.00 in

Fitment Finder

Chevrolet/GMC/Pontiac 4.1L/250ci (1977-1984) Crankshaft Kit – 18045

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Casting Numbers

Specifications

Vehicle Fitment

Crankshaft Supply, Inc.

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