Mahle

Mahle GS33387 Engine Cylinder Head Bolt Set

Brand Mahle GS33387
Additional Package Contents Washers
Fastener Head Style Socket Cap
Fastener Material Steel
Fastener Style Bolt
Item Grade OEM Standard
Washers Included Yes
Fits Cadillac, Oldsmobile, and Shelby · 14 vehicles

OEM standard. Engineered for dependable sealing performance.

Steel construction. Provides strong, reliable fastening for engine service.

Washers included. Ready for a complete installation package.

Cross-references FEL-PRO ES 72187 and General Motors 12557775 for the same application. See all 2.

$57.75Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $57.75
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Free returns within 60 days if it doesn't fit when fitment is verified.

Mahle GS33387 Cylinder Head Bolt Set

Mahle GS33387 is an OEM-standard engine cylinder head bolt set built with steel fasteners, socket cap heads, and included washers for secure cylinder head retention. It is a direct-fit hardware solution for select Cadillac and Oldsmobile applications, including Cadillac DeVille, Cadillac Seville, Cadillac Eldorado, and Oldsmobile Aurora.

Key Features

  • Engine cylinder head bolt set for OEM-style service work
  • Steel fastener construction for strength and durability
  • Socket cap head style for service-friendly installation
  • Washers included for proper clamping support
  • OEM Standard item grade
  • Mahle GS33387 for select GM applications

Product Details

Mahle GS33387 is designed for engine repair jobs that require accurate cylinder head fastening and consistent clamping force. As part of Mahle’s sealing and engine hardware lineup, this set reflects the brand’s focus on OE-level sealing and fastening components used by technicians and OEMs worldwide. This part cross-references FEL-PRO ES 72187 and General Motors 12557775 for the same application.

Vehicle Fitment

  • Fits 2000-2003 Cadillac DeVille, N/A
  • Fits 2000-2003 Cadillac Seville, N/A
  • Fits 2001-2003 Oldsmobile Aurora, N/A
  • Fits 2000-2002 Cadillac Eldorado, N/A

Common Repair Uses

  • Replacing stretched or damaged cylinder head bolts during engine service
  • Restoring proper cylinder head clamping after head gasket repair
  • Addressing coolant loss or compression issues tied to head sealing problems
  • Supporting accurate reassembly after cylinder head removal

Installation Notes

Verify engine code and application details before installation, since the listed vehicles may use various engine types. Clean the bolt holes, inspect the cylinder head and block surfaces, and follow the manufacturer’s tightening sequence and torque specifications during assembly. Mahle GS33387 includes washers, so confirm all hardware is accounted for before beginning the repair.

Quality Assurance

Mahle is known for sealing and engine hardware used in OE and professional repair environments. GS33387 is an OEM Standard component intended for precise fitment and dependable service in the listed Cadillac and Oldsmobile applications.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2003CadillacDeVille4.6LV8N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2003CadillacSeville4.6LV8N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2003OldsmobileAurora4.0LV8N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2002CadillacDeVille4.6LV8N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2002CadillacEldorado4.6LV8N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2002CadillacSeville4.6LV8N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2002OldsmobileAurora4.0LV8N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2001CadillacDeVille4.6LV8N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2001CadillacEldorado4.6LV8N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2001CadillacSeville4.6LV8N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2001OldsmobileAurora4.0LV8N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2000CadillacDeVille4.6LV8N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2000CadillacEldorado4.6LV8N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2000CadillacSeville4.6LV8N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
FEL-PRO — ES 72187General Motors — 12557775