My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Enginetech 129000 Remanufactured Crankshaft Kit for GM 5.3L 5.7L 6.0L V8 with Bearings

Manufacturer

Picture for manufacturer Enginetech

Part Number

129000
8 reviews
Sale Price

$479.82

In Stock (6)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Enginetech 129000 is a professional-grade remanufactured crankshaft kit designed for GM/Chevrolet V8 engines. This complete kit includes a precision-remanufactured crankshaft with main and rod bearings, providing everything needed for a reliable engine rebuild.

Key Specifications:

  • Forging number: 12552216
  • Features 24-tooth reluctor for accurate crankshaft position sensing
  • Rear flange width: 0.857 inches
  • Includes main and rod bearings for complete installation
  • Fits 5.3L (325 ci) OHV 16V engines with 3.780-inch bore
  • Fits 5.7L (346 ci) OHV 16V engines with 99.00mm bore (VIN G, S)
  • Fits 6.0L (364 ci) OHV 16V engines with 4.000-inch bore

Quality and Reliability:

Enginetech has been supplying professional engine rebuilders since 1982, manufacturing components only in facilities with ISO, QS, and TS quality certifications. Each remanufactured crankshaft is precision-machined to OEM specifications and backed by Enginetech's lifetime warranty when professionally installed. This kit is designed for GM Vortec Gen-III engines including the LM7, L59, LM4, and L33 variants commonly found in trucks, SUVs, and performance vehicles.

Important: Verify proper physical match and forging number before installation to ensure compatibility with your specific engine application.

Super easy checkout

Great site and price. Fast delivery.

Easy to find correct part

Quick service and order revived in good condition very quickly. Will order again from your company.

So far good!!

It was very easy to find what I needed by part number and check out was very easy

Great experience and fast delivery.

Very satisfied, straight to the point and professional.

Share icon
Return Policy
Returns are easy at Autoplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy