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For Chevrolet GMC 6.2L LT Crankshaft CORE Standard Size GEN V Wet Sump 12732518 - aftermarket replacement part from Northline Parts
  • For Chevrolet GMC 6.2L LT Crankshaft CORE Standard Size GEN V Wet Sump 12732518 - aftermarket replacement part from Northline Parts
  • For Chevrolet GMC 6.2L LT Crankshaft CORE Standard Size GEN V Wet Sump 12732518 - aftermarket replacement part from Northline Parts
  • For Chevrolet GMC 6.2L LT Crankshaft CORE Standard Size GEN V Wet Sump 12732518 - aftermarket replacement part from Northline Parts
  • For Chevrolet GMC 6.2L LT Crankshaft CORE Standard Size GEN V Wet Sump 12732518 - aftermarket replacement part from Northline Parts
  • For Chevrolet GMC 6.2L LT Crankshaft CORE Standard Size GEN V Wet Sump 12732518 - aftermarket replacement part from Northline Parts
  • For Chevrolet GMC 6.2L LT Crankshaft CORE Standard Size GEN V Wet Sump 12732518 - aftermarket replacement part from Northline Parts
  • For Chevrolet GMC 6.2L LT Crankshaft CORE Standard Size GEN V Wet Sump 12732518 - aftermarket replacement part from Northline Parts
  • For Chevrolet GMC 6.2L LT Crankshaft CORE Standard Size GEN V Wet Sump 12732518 - aftermarket replacement part from Northline Parts
  • For Chevrolet GMC 6.2L LT Crankshaft CORE Standard Size GEN V Wet Sump 12732518 - aftermarket replacement part from Northline Parts
Forged Steel Crankshaft 12732518 for GM Gen V LT 6.2L V8 LT1/L86/L87 – Wet Sump

Forged Steel Crankshaft 12732518 for GM Gen V LT 6.2L V8 LT1/L86/L87 – Wet Sump

SKU: NLT2S00860
$870.99 In Stock
$870.99
$870.99
Ships for free in 2–4 business days.
This Gen V LT replacement crankshaft is designed for compatible Chevrolet and GMC 6.2L wet-sump V8 engines using reference #12732518. It is a standard-size 3.622-inch-stroke crankshaft core, not a complete rotating assembly.
Estimated delivery between
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Compatible Models

We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.

Compatible equipment / model
  • Chevrolet LT1 6.2L V8 — wet-sump configurations only
  • GM L86 6.2L V8 — compatible wet-sump applications
  • GM L87 6.2L V8 — compatible wet-sump applications

Important Fitment Note: Confirm engine RPO code, wet-sump configuration, main/rod journals, reluctor wheel and whether this listing supplies a used, reconditioned or new core. It is not for dry-sump LT engines.

Product Overview

The crankshaft converts piston motion into rotation and supports the connecting rods and main bearings.

A cracked, spun-bearing or excessively worn crankshaft may need replacement during an engine rebuild; bearing clearances and journal condition must be measured first.

Confirm engine RPO code, wet-sump configuration, main/rod journals, reluctor wheel and whether this listing supplies a used, reconditioned or new core. It is not for dry-sump LT engines.

Key Features & Performance

  • Part & Application: Gen V LT 6.2L V8 Wet-Sump Forged Steel Crankshaft 12732518. Chevrolet LT1 6.2L V8 — wet-sump configurations only
  • Part Identification: 12732518
  • Package Contents: The item described in the product title; confirm the supplied pieces against the product photos.
  • Fitment Priority: Confirm original part, configuration, and mounting features before installation.

Specifications

  • Product: Gen V LT 6.2L V8 Wet-Sump Forged Steel Crankshaft 12732518
  • Brand: Northline Parts aftermarket replacement or accessory (unless otherwise stated by the original listing)
  • Northline Parts SKU: NLT2S00860
  • Important Details: Gen V LT; wet sump; nominal 3.622-inch stroke; 58X reluctor

Replaces / Cross-References

Reference identifiers associated with this listing:

  • 12732518

Numbers marked as product references identify this part or its application. Alternate spelling or punctuation does not establish a separate verified interchange. Match the original assembly and required configuration before purchasing.

What Is Included

The item described in the product title; confirm the supplied pieces against the product photos.

Installation & Fitment Notes

Confirm engine RPO code, wet-sump configuration, main/rod journals, reluctor wheel and whether this listing supplies a used, reconditioned or new core. It is not for dry-sump LT engines.

Follow the service procedure for the specific equipment or vehicle. Compare the replacement with the original part before installation; professional installation is recommended for steering, braking, suspension, electrical and drivetrain components.

Frequently Asked Questions

Is this an OEM part?

No. This listing is for an aftermarket replacement or accessory unless the product is specifically described as genuine. Manufacturer names and OE numbers are provided for fitment identification.

How do I know whether it will fit?

Confirm engine RPO code, wet-sump configuration, main/rod journals, reluctor wheel and whether this listing supplies a used, reconditioned or new core. It is not for dry-sump LT engines.

When should this part be replaced?

A cracked, spun-bearing or excessively worn crankshaft may need replacement during an engine rebuild; bearing clearances and journal condition must be measured first.

What is included?

The item described in the product title; confirm the supplied pieces against the product photos.

Part Summary

Part: Gen V LT 6.2L V8 Wet-Sump Forged Steel Crankshaft 12732518 for Chevrolet / GMC LT1, L86 & L87 Engine Builds

Applications: Chevrolet LT1 6.2L V8 — wet-sump configurations only; GM L86 6.2L V8 — compatible wet-sump applications; GM L87 6.2L V8 — compatible wet-sump applications

Reference Numbers: 12732518

Purpose: The crankshaft converts piston motion into rotation and supports the connecting rods and main bearings.

Northline Parts SKU: NLT2S00860

Keywords: Gen V LT 6.2L V8 Wet-Sump Forged Steel Crankshaft 12732518 for Chevrolet / GMC LT1, L86 & L87 Engine Builds, Gen V LT 6.2L V8 Wet-Sump Forged Steel Crankshaft 12732518, NLT2S00860, Northline Parts, 12732518, Chevrolet LT1 6.2L V8, GM L86 6.2L V8, GM L87 6.2L V8.

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