SPELAB Radiator for Nissan Altima & Maxima 2007–2019 2.5L/3.5L Auto — Direct-Fit, Thick-Wall Tubes

The SPELAB Engine Coolant Radiator is a direct-fit replacement engineered to restore proper cooling for select Nissan Altima (2007–2018) and Maxima (2009–2019) models with 2.5L or 3.5L engines and automatic transmission.

If your vehicle is showing symptoms of overheating, slow cabin heat, or coolant loss and it matches the listed model years and engines, this radiator is built as a replacement option to match OEM form, fit and function. It is manufactured with thicker tube walls and tested for endurance to perform reliably under everyday driving and seasonal extremes. Before purchasing, confirm your exact part number and vehicle configuration to ensure fitment: this unit replaces part numbers including 2988, CU2988, 21460JA00A and several equivalent OEM references.

Which Nissan models and engines will this radiator fit?

This radiator fits Nissan Altima model years 2007–2018 with 2.5L or 3.5L engines (automatic transmission), and Nissan Maxima model years 2009–2019 with the 3.5L engine (automatic transmission). It is not designed for Altima 2007–2011 hybrid L4 2.5L applications. Verify vehicle VIN or factory part reference to be certain.

• Compatible: Altima 2007–2018 (2.5L, 3.5L; automatic)
• Compatible: Maxima 2009–2019 (3.5L; automatic)
• Not compatible: Altima 2007–2011 hybrid L4 2.5L
• Cross-references: 2988, CU2988, 21460JA00A and related OEM numbers

How does the SPELAB radiator perform compared with the original part?

The SPELAB radiator is produced to match critical dimensions and mounting points so installation follows OEM procedures. Its design includes thicker tube walls and material choices intended to resist corrosion and fatigue, while factory-like core size maintains the vehicle's designed cooling capacity.

• Core dimensions: 26.5" × 16.0" × 0.6" for consistent airflow and coolant volume
• Manufactured with increased tube wall thickness for durability
• Tested through aging and endurance cycles to validate longevity
• Package size: 32.16" × 19.88" × 5.31" for safe shipping

What should I check before ordering this radiator?

Confirm your vehicle’s model year, engine displacement, and transmission type match the listed fitment. Also cross-check any OEM or supplier part numbers stamped on your original radiator; this product replaces several common part numbers but is not universal.

• Verify vehicle: exact model year, 2.5L or 3.5L engine, automatic transmission
• Check OEM part numbers against 2988, CU2988, 21460JA00A, 21460ZN50A, 21410JA00A
• Inspect original radiator mounting points and hose locations for compatibility
• Contact seller with VIN or photos if uncertain before purchase

What after-sales support and warranty information is available?

SPELAB offers after-sales assistance: if the radiator arrives damaged or shows quality issues, provide photos and order details to receive timely help and a resolution. The seller commits to responding and guiding replacements or refunds as appropriate.

• Report product damage or defects with supporting images
• Customer service will respond promptly to investigate and remedy issues
• Installation should follow vehicle manufacturer guidance and cooling system refill procedures
• Keep original parts and packaging until issue resolution is complete

Who is this for? This SPELAB radiator suits do-it-yourself mechanics, independent shops, and fleet managers needing a reliable replacement for cooling systems on compatible Nissan Altima and Maxima models. It’s intended for users who require a radiator that aligns closely with OEM fit while providing durable construction for everyday driving and seasonal stress. Always confirm fitment for your exact vehicle configuration before ordering to avoid returns and to ensure proper installation.