Seal and Filter Kit for 6 Petrol Injectors - Subaru H6 - 16611AA740

This kit replaces sealing O-rings and filters for 6 petrol injectors in the listed Subaru H6 applications. Worn seals or dirty filters can contribute to fuel leakage, unstable idle, difficult starting or uneven operation. Match the original injector number before selecting a separate service repair.

Applications

• Subaru Legacy BL;
• Subaru Outback;
• Subaru Tribeca WX.

When to Inspect Injectors

• Fuel traces near rail or injectors.
• Fuel smell in the engine bay.
• Unstable idle.
• Misfires or uneven cylinders.
• Difficult cold or warm starting.
• Increased fuel consumption.
• Injectors removed for cleaning or diagnosis.
• Inelastic, cracked or deformed O-rings.

Kit Contents

• Fuel injector O-rings.
• Injector filters.

Service scope: 6 petrol injectors.

Engine Applications

• 3.0 H6 DOHC naturally aspirated.
• 3.6 H6 DOHC naturally aspirated.

Injector Application Groups

• 16611AA660 - Subaru Legacy 3.0 H6 DOHC - indicative period 2003-2009.
• 16611AA660 - Subaru Tribeca 3.0 H6 DOHC - indicative period 2006-2007.
• 16611AA740 - Subaru Legacy, Outback and Tribeca - 3.6 H6 DOHC.

These are naturally aspirated horizontally opposed six-cylinder H6 engines. One injector is installed per cylinder; the kit services all six. Match the injector marking because versions can vary with engine, market and equipment.

Repair Limits

A separate service is suitable if the mechanical and electrical injector sections remain serviceable. New filters are recommended after flushing or ultrasonic cleaning; old filters may stay contaminated or damaged. Do not reuse inelastic or deformed O-rings.

Important Before Ordering

Compare the original part number, marking, shape and mounting design before ordering. A model name alone does not confirm the required version.

FAQ

How many injectors does it service?

6 petrol injectors.

What is included?

Sealing O-rings and injector filters.

How should I select the version?

Compare the full number on the installed injector with the listed references.

Part Number / PN

16611AA660,16611-AA660,16611AA740,16611-AA740

SKU: KL16611AA740.

• Subaru

Returns and exchanges

Request a change-of-mind return within 14 calendar days of delivery, then send the goods within 14 calendar days of notifying us. Our voluntary return option applies to unused, uninstalled, complete goods in their original condition and packaging. Exchanges are subject to availability and agreement.

The customer pays change-of-mind return shipping. No restocking fee applies. Refunds and original delivery charges are handled under our Refund & Return Policy and applicable law.

Faulty, damaged or incorrect goods

Email contact-us@klifex.net with your order details and a description of the problem. These claims are separate from change-of-mind returns. Where we are responsible, we bear the required remedy and return costs. Installation alone does not remove mandatory defect rights.

Your legal rights

Applicable statutory rights take precedence, including EU/EEA and UK withdrawal rights and legal guarantees. Necessary inspection does not remove a statutory withdrawal right; deductions for excessive handling must reflect an actual, evidenced loss of value.

Contact us for the correct return address before shipping. Our legal address is not a return address.

Read the full Refund & Return Policy