Belt Tensioner Assembly Compatible with Honda Civic 2006 1.8L

In this review the A-Premium belt tensioner assembly is examined for owners of the 2006 Honda Civic L4 1.8L who need a direct-replacement tensioner. The bottom line: it is a practical, cost-effective option when the goal is to restore proper belt tension and quiet operation without sourcing an OEM unit. The review focuses on fitment, build details, and real user feedback to help drivers decide if this tensioner is the right repair part for routine maintenance or a timing accessory replacement.

Key Features

• Vehicle Fitment: Designed specifically to fit Honda Civic 2006 L4 1.8L, reducing compatibility guesswork for owners of that model.
• Reference Numbers: Matches several reference numbers such as 31170RNAA01 and 31170RNAA02, which helps when cross-checking parts lists.
• Pulley Specifications: The single pulley has a 70 mm outside diameter and a 17 mm bearing bore for consistent belt tracking.
• Belt Type: Built for V-ribbed belts to maintain proper tension across common accessory drives.
• OE Performance: Claimed to match the original part for sturdy construction and smooth, quiet rotation under normal conditions.
• Warranty: Comes with a one-year unlimited-mileage guarantee, offering assurance for the first year after installation.

Who It's For

This part is aimed at DIY mechanics and independent shops working on a 2006 Honda Civic 1.8L who want a ready replacement that aligns with factory dimensions and reference numbers. It is practical for owners replacing a worn tensioner to restore belt tension and reduce noise without paying OEM prices.

Those who should look elsewhere include drivers with modified accessory setups or nonstandard belt routing, and anyone who requires dealer-sourced parts for warranty or provenance reasons. Also consider an OEM unit if you need manufacturer-certified components for extended vehicle coverage.

Pros & Cons

Pros

• Direct fitment for 2006 Honda Civic 1.8L models simplifies replacement and reduces installation time.
• Solid pulley dimensions (70 mm OD, 17 mm bore) and V-ribbed design ensure consistent belt engagement.
• Advertised OE performance and one-year unlimited-mileage guarantee provide reasonable buyer assurance.
• Single-piece assembly helps maintain proper tension and smooth rotation when installed correctly.

Cons

• Customer feedback is mixed on fit and functionality, so occasional units may require adjustment or return.
• Not an OEM-branded part, which may concern buyers seeking factory-sourced components for long-term ownership.

Specifications

Vehicle Compatibility	Honda Civic 2006 L4 1.8L
Reference Numbers	31170RNAA01, 31170RNAA02, 31170RNAA03, 31170RNAA11, 31170RNAG01, 39054
Pulley Quantity	1
Belt Type	V-ribbed
Outside Diameter	70 mm
Bearing Bore Inside Diameter	17 mm
Width	30.6 mm

Our Verdict

The A-Premium belt tensioner assembly is a sensible replacement for most 2006 Honda Civic 1.8L owners who need a functional, budget-friendly part that matches OEM dimensions. It offers solid pulley specifications and a one-year guarantee, making it good value for routine maintenance or a worn-tensioner swap, though buyers should accept the small chance of fitment variation reported by some customers.

Frequently Asked Questions

Will this tensioner fit other years or engines?
It is specified for the 2006 Honda Civic L4 1.8L; compatibility with other years or engines should be confirmed against reference numbers.

What warranty is included?
A-Premium provides a one-year unlimited-mileage guarantee on this belt tensioner assembly.

Does it include the pulley installed?
The assembly includes one pulley as a single unit, with the listed pulley dimensions and bearing bore.