A-Premium Front Exhaust Manifold Catalytic Converter for Nissan Altima 2007–2013 2.5L — EPA Compliant Stainless Steel

A-Premium's front exhaust manifold catalytic converter is a direct-fit replacement engineered to restore your Nissan Altima L4 2.5L (2007–2013) exhaust emissions control and flow with an EPA-compliant design.

When an original catalytic converter becomes clogged, damaged, or fails emissions testing, installing a quality aftermarket unit gets your Altima back to proper function without extensive fabrication. This A-Premium assembly combines a stainless-steel manifold and a compact converter body sized for front-pipe fitment. It includes a single oxygen sensor port and covers a range of OEM reference numbers to simplify matching your vehicle.

Will this converter fit my Nissan Altima and how do I confirm compatibility?

This unit fits Nissan Altima 2.5L L4 models produced from 2007 through 2013 with federal emissions specifications. Cross-reference the part references printed below against your existing part and your vehicle’s emission label to ensure a match.

• Compatible model years: 2007–2013 Nissan Altima L4 2.5L.
• OEM reference numbers included for easy comparison: 14002-JA01E, 14002-JA02E, 14002-JA91E, and others.
• Designed for front-pipe placement with one O2 sensor port.
• Not permitted for sale/installation in California, Colorado, and in restricted cases for Maine and New York; check local rules.

What are the main construction and size details I should know?

The assembly uses stainless steel for durability and corrosion resistance, with a converter body sized to fit standard front exhaust layouts. Exact dimensions help installers verify physical fit and clearance in the engine bay.

• Body material: stainless steel for strength and heat resistance.
• Overall length: 480 mm; converter body length: 210 mm.
• Converter cross-section: 101.6 mm width and 101.6 mm height.
• One oxygen sensor port integrated for plug-and-play sensor use.

Is this catalytic converter EPA compliant and what about state restrictions?

The unit is manufactured to meet EPA aftermarket standards for federal emissions. However, state regulations can differ: some states require CARB-certified parts or restrict aftermarket replacements entirely. Always validate legal fitment before purchasing.

• Market designation: E.P.A. compliant for federal emissions systems.
• Restricted states: not for sale/installation in California or Colorado; check restrictions for New York and Maine.
• Verify your vehicle’s Emission Control Information Label for proper emissions class.
• Contact local authorities or a licensed installer if uncertain about state requirements.

Who is this for? This A-Premium front exhaust manifold catalytic converter suits DIY mechanics, repair shops, and fleet technicians working on Nissan Altima L4 2.5L models from 2007–2013 with federal emission systems. It’s intended for buyers who need a direct-fit replacement built from stainless steel, want compatibility with common OEM reference numbers, and require a single O2 sensor port. If you live in a state with stricter emissions rules, consult local regulations or choose a CARB-certified alternative where required. A-Premium backs this product with a one-year unlimited-mileage guarantee to support reliable long-term use.