GM GENUINE PARTS
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GM Genuine Parts 12558840 M8x1.25x45 Engine Cylinder Head Bolt
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GM Genuine Parts 12558840 M8x1.25x45 Engine Cylinder Head Bolt
GM Genuine Parts and ACDelco are proud to work together as the only source for true General Motors Original Equipment and aftermarket parts.
GM Genuine Parts 12558840 M8x1.25x45 Engine Cylinder Head Bolt
Item #: 171204164

GM Genuine Parts 12558840 M8x1.25x45 Engine Cylinder Head Bolt

Item #: 171204164
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GM Genuine Parts and ACDelco are proud to work together as the only source for true General Motors Original Equipment and aftermarket parts.
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What Stands Out

High-Quality Material
Made from premium materials, ensuring durability and resistance to corrosion, these engine bolts provide long-lasting performance and reliability for your vehicle's engine.
Precision Engineering
Engineered to meet strict OEM standards, this cylinder head bolt guarantees a perfect fit and optimal sealing, preventing leaks and maintaining engine efficiency.
Enhanced Performance
Designed specifically for GM vehicles, this bolt enhances overall engine performance, addressing common issues related to head bolt failure and ensuring smooth operation.

Product Details

Shop GM Genuine Parts 12558840 M8x1.25x45 Engine Cylinder Head Bolt online at a best price in Jersey. B0987RLK77
Thread SizeM8x1.25
Exterior FinishMachined
Manufacturer GradePremium
Screw Head StyleFlat
ColorBlack
Fastener TypeHexagon Bolt
Thread TypeMetric
Item HardnessGrade 8.8
Head TypeHex
Compatible Groove Diameter8 millimeters
Material TypeMetal
Metal TypeAlloy Steel
Item Diameter8 millimeters
Size Name0.32
Fastener SizeM8x1.25x45
Item Dimensions2.8 x 2.29 x 1.89 inches (7.1 x 5.8 x 4.8 cm)
Item Weight4 ounces (113.4 grams)
Outside Diameter8 millimeters
BrandGM GENUINE PARTS
UPC195491151918
Unit Count1 Count
ManufacturerGM Genuine Parts
Number Of Items5
Included ComponentsBolt
Item Type NameFasteners & Misc Eng,Fasteners & Misc Eng
Model12558840
Part Number12558840
MaterialMetal
Head StyleFlat

Who Should Buy?

Suitable For
  • DIY Mechanics

    Ideal for home mechanics looking for reliable, OEM quality bolts for engine cylinder head repairs and rebuilds.

  • Professional Mechanics

    Perfect for professional automotive technicians requiring durable and high-performance parts for routine repairs and engine work.

  • GM Vehicle Owners

    Specifically designed for GM vehicles, ensuring a precise fit and compatibility for cylinder head installations.

Not Suitable For
  • Non-GM Vehicles

    Not suitable for vehicles outside the GM brand, as compatibility with other engine types may be limited.

Product Description

GM Genuine Parts 12558840 M8x1.25x45 Engine Cylinder Head Bolt

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Customer Questions & Answers

  • Question: What are GM Genuine Parts?

    Answer: GM Genuine Parts are true Original Equipment parts designed for optimal compatibility and safety in GM vehicles.
  • Question: Why should I choose ACDelco Gold parts over regular aftermarket parts?

    Answer: ACDelco Gold parts meet high-quality standards and are specifically designed for fit and function with GM vehicles.
  • Question: Do ACDelco Silver parts fit all car makes?

    Answer: Yes, ACDelco Silver parts offer high-quality, high-value options that are compatible with most vehicle makes and models.

GM GENUINE PARTS Head Bolt Sets Editorial Review

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Pros

  • High-quality material
  • Easy to install
  • Durable and reliable
  • Perfect fit for GM models
  • Excellent customer satisfaction

Cons

  • Limited color options available

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Features & Benefits

  • ACDelco offers three tiers: GM Genuine Parts, Gold, and Silver.
  • GM Genuine Parts are true OE parts validated by General Motors for optimal vehicle performance.
  • ACDelco Gold parts provide high-quality alternatives that meet GM's rigorous standards.
  • Silver ACDelco parts deliver high-value options compatible with most vehicle makes/models.
  • ACDelco boasts a rich history of innovation since 1908, supporting automotive advancements.
  • Choosing GM Genuine Parts ensures safety compliance and high-quality performance.

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