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Home / Intake & Filtration / Air Intake Components / K&N Universal Adapter 6 Inch Filter 3.5in Coupler
K&N Universal Adapter 6 Inch Filter 3.5in Coupler
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K&N Engineering

K&N Universal Adapter 6 Inch Filter 3.5in Coupler

PART 21512-1CATEGORY Air Intake Components
$25.99
$25.99
1

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Product information

Manufacturer information. Check the part number and installation requirements for your vehicle.

Supplier details checked 2026-09-23 · Test catalog

Some supplier details are unavailable for this product.

Product description

K&N adapters allow for even more air filter applications.

ADAPTER; UNIVERSAL; 6in. FILTER 3.5in. COUPLER

Adapter

Features

Allow For More Filter Applications

Backed by K&N warranty

Supplier category
Air Intake Systems
Supplier subcategory
Air Intake Components
UPC / barcode
024844263056
Units per product
1
Supplier Proposition 65 status
Y
Supplier EPA status
N/A
Air freight prohibited
No
Not CARB approved
Yes
CARB acknowledgement required
Yes
Freight delivery required
No
Powersports product
No
More manufacturer information

Other product descriptions

K&N Universal Adapter 6 Inch Filter 3.5in Coupler

Additional manufacturer information

Air Cleaner Mount

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