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Cat  |  SKU: 307-6770

307-6770 | Genuine Cat® Exhaust Combustion Head

Regular price $99900
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ConditionNew
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365-day / 100,000-mile limited warranty on U.S. orders. Return conditions apply. Mandatory legal rights remain unaffected.

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A combustion head 307-6770 is a key part of an engine or burner system where fuel and air mix and ignite to produce energy. It’s the component that controls how fuel is delivered and burned to create a stable and efficient flame.
General Specifications

Condition New
Part Number 307-6770
Brand Cat
Fits Caterpillar C7, C9, C-9


Purpose & Function

  • Mixes Fuel and Air – Ensures proper fuel-to-air ratio for efficient combustion.

  • Directs Fuel – Guides fuel into the combustion area for ignition.

  • Stabilizes Combustion – Maintains a consistent and controlled flame.

  • Improves Efficiency – Maximizes energy output and reduces fuel consumption.

  • Reduces Emissions – Promotes cleaner, more complete combustion.

  • Protects Components – Helps prevent overheating and combustion-related damage.

Signs of a Bad Combustion Head

  • Hard Starting – Engine or burner struggles to ignite.

  • Unstable Combustion – Rough operation or an irregular flame.

  • Loss of Power – Reduced engine performance and efficiency.

  • Increased Fuel Consumption – Higher fuel usage due to poor combustion.

  • Excessive Smoke – Black or white exhaust smoke.

  • Unusual Noises – Knocking, popping, or rumbling sounds.

  • Overheating – Excessive heat around combustion components.

  • Carbon Buildup – Soot deposits around the combustion area.

  • Strong Fuel Smell – Odor caused by unburned fuel.

Caterpillar (CAT) is a world-leading American manufacturer known for its heavy machinery, engines, and industrial equipment. Founded in 1925, the brand is recognized for durable construction machines like excavators, bulldozers, loaders, and generators. Caterpillar products are widely used in construction, mining, agriculture, and power systems, and the company is known for its reliability, innovation, and strong global support network.