Mahle GS33452A Engine Cylinder Head Bolt Set

Brand Mahle GS33452A
Additional Package Contents None
Fastener Head Style Hex
Fastener Material Steel
Fastener Style Bolt
Item Grade Oem standard
Washers Included Not required
Fits BMW · 13 vehicles

OEM-standard grade. Built for engine hardware service with consistent fastening performance.

Steel construction. Hex-head bolts provide secure tool engagement during assembly.

Mahle engineering. Trusted by OEMs and technicians for sealing and engine service products.

Cross-references BMW 11 12 0 621 144 for the same application. See all 1.

$47.02Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $47.02
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Engine Cylinder Head Bolt Set Overview

The Mahle GS33452A engine cylinder head bolt set is an OEM-standard fastener solution for engine assembly work. It is built with steel bolts and a hex head style for secure tightening during cylinder head service.

Compatible With BMW 535i, 735i, and 735iL applications from 1990 through 1993, this part supports engine rebuild and repair jobs that require proper head fastener replacement. The GS33452A is a direct-fit style service part for the listed BMW applications.

Key Features

  • OEM-standard grade for engine hardware service
  • Steel fastener construction for cylinder head applications
  • Hex head style for standard tool engagement
  • Bolt-style fasteners for engine assembly use
  • Washers not required for this application

Detailed Description

Mahle GS33452A is an engine cylinder head bolt set intended for BMW inline and V8 engine service applications listed in the fitment data. It cross-references BMW 11 12 0 621 144 for the same application. Use this part when replacing cylinder head bolts during teardown, rebuild, or head gasket service on BMW 535i, 735i, and 735iL models. The GS33452A follows OEM-standard expectations for fit and function in the specified engine hardware role.

What It Helps Address

  • Worn or stretched cylinder head bolts during engine service
  • Loss of clamping consistency after head removal
  • Fastener replacement needs during head gasket repair
  • Engine assembly work requiring new head bolts

Installation Notes and Tips

Verify engine code and application details before installation, since the fitment covers multiple BMW engine types. Clean all threaded holes and follow the service manual tightening sequence and torque procedure for the specific engine. Replace the bolts as part of the cylinder head service process when the application calls for new fasteners.

Quality Assurance

Mahle supplies sealing and engine service products used by OEMs and technicians worldwide. GS33452A is manufactured to OEM-standard expectations for engine hardware service.

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1993BMW535i3.5LL6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1992BMW535i3.5LL6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1992BMW735i3.5LL6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1992BMW735iL3.5LL6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1991BMW535i3.5LL6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1991BMW735i3.5LL6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1991BMW735iL3.5LL6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1990BMW535i3.5LL6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1990BMW735i3.5LL6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1990BMW735iL3.5LL6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1987BMWL63.5LL6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1987BMWL73.5LL6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1986BMWL73.5LL6Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BMW — 11 12 0 621 144