Manufacturer reference photos may differ from this condition offer. Confirm the actual included parts before payment.
AEM Induction · Scratch & dent
Scratch & dent — AEM 2009+ Nissan 370Z 3.7L Cold Air Intake
MPN 21-821DS · Store SKU aem21-821DS
Specific scratch-and-dent offer — confirm included parts before payment.
Listed 11/7/2026, 1:41:56 AM UTC. Current price and availability confirmed before payment.
Offer snapshot checked 11/7/2026, 1:41:56 AM UTC. Adding a part does not reserve it.
Clearance and scratch-and-dent parts are final sale. No returns or refunds.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Condition of this specific offer
Two different brand tubes. X1 is K&N, the other is AEM brand. See images for included parts.
Photos, if shown, are manufacturer reference images. Request actual condition photos before sale.
Product details
CONDITION OF THIS SPECIFIC OFFER: Two different brand tubes. X1 is K&N, the other is AEM brand. See images for included parts. The 21-821DS Performance Cold Air Intake System produces horsepower and torque gains by replacing the restrictive air filter and air intake housing. This air intake system was designed, tuned and dyno-tested to fit specific Nissan 370Z models. This system replaces both the left and right side intakes. The AEM Dryflow synthetic washable air filter does not require oiling and can be used up to 100,000 miles before servicing is needed (depending on driving conditions). The heatshield is a two piece design and also utilizes the factory air ducting. The intake tube is constructed from mandrel bent aluminum and has a durable gray powder coat finish. This air intake system was developed to accommodate the mass air flow sensor and PCV hose. The air intake system is backed by AEM's Lifetime Limited Warranty. Some AEM air intakes are not legal for sale or use in California and other states adopting California emission standards, while others are 50 state legal. View the 21-821DS vehicle applications to determine the legal status for each vehicle. The 21-821DS Performance Cold Air Intake System produces horsepower and torque gains by replacing the restrictive air filter and air intake housing. This air intake system was designed, tuned and dyno-tested to fit specific Nissan 370Z models. This system replaces both the left and right side intakes. The AEM Dryflow synthetic washable air filter does not require oiling and can be used up to 100,000 miles before servicing is needed (depending on driving conditions). The heatshield is a two piece design and also utilizes the factory air ducting. The intake tube is constructed from mandrel bent aluminum and has a durable gray powder coat finish. This air intake system was developed to accommodate the mass air flow sensor and PCV hose. The 21-821DS Performance Cold Air Intake System produces horsepower and torque gains by replacing the restrictive air filter and air intake housing. This system replaces both the left and right side intakes. C.A.S. NISSAN 370Z V6-3.7L F/I; 2009-2020 AEM Cold Air Intake System Cold Air Intake System
Manufacturer fitment & guides
Check 21-821DS against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
- Specific scratch-and-dent offer. Availability, current offer price, actual condition photos, included components and return terms must be confirmed with JuiceBuilt before sale.
- Reference product images may show the complete new part. The condition description identifies damage or missing pieces for this offer.
