The COBB -6AN Fitting Wrench is a universal accessory or exact-interface component selected by manufacturer part number FH-6LINEWRENCH and its stated size, thread, connector, mounting, software, or service requirements. Confirm every specification before ordering.

Key Features

• Billet 6061-T6 Aluminum: Lightweight at 4 oz, strong construction with Type III black anodized finish resists corrosion.
• Damage Prevention: Replaces adjustable wrenches to avoid marring or rounding expensive AN fittings.
• Compact 4.75-Inch Length: Maneuvers in tight engine bays for easy access on fuel rails, turbo lines, and regulators.
• Knurled Non-Slip Grip: Textured handle provides firm control, even with oily hands or gloves during installs.
• Engineered for precision fit on high-pressure AN systems.
• 6061-T6 billet aluminum with durable black Type III hard anodizing.

Fitment

Specifications

What’s Included

One new COBB product in the exact configuration and quantity identified by manufacturer part number FH-6LINEWRENCH. Calibrations, hardware, hoses, clamps, gaskets, adapters, wiring, fluids, tools, and companion components are included only when expressly stated for this exact part number.

About COBB

COBB develops engine-management, intake, cooling, exhaust, drivetrain, suspension, and vehicle-accessory products for supported performance platforms. Correct selection remains exact-vehicle, exact-configuration, exact-interface, and exact-part-number specific.

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• COBB Subaru Fuel Pump Lock Ring Tool
• Cobb EBCS 1/4in EWG Fitting Kit
• COBB 04-23 Volkswagen Golf GTI / 14-24 Volkswagen Golf R Tall Weighted Shift Knob – Black

Browse the COBB collection for related tuning, intake, cooling, exhaust, drivetrain, and chassis products.

Frequently Asked Questions

How do I confirm this universal COBB product is correct?
Match the exact manufacturer part number, size, thread, connector, mounting, software or service requirement, quantity, and included components.

Are all supporting parts included?
Only components expressly listed for the exact manufacturer part number are included. Tuning, hardware, hoses, clamps, gaskets, adapters, wiring, fluids, and companion components may be separate.

Is tuning or calibration required after installation?
Requirements depend on the exact product and vehicle. Intake, fuel, boost, turbo, and engine-management changes may require a compatible calibration before operation.

Installation Instructions

Follow the current COBB and factory service instructions for this exact part number. Verify fitment, factory equipment, emissions eligibility, required calibration, software and firmware, interfaces, hardware, fluid or electrical connections, and clearances before installation. Inspect the completed work and confirm safe operation before full-load use.