NAPA 2091 Engine Air Filter - Cross Ref FRAM CA176 Wix 42091 Round New in Box

## NAPA 2091 Round Engine Air Filter

Up for sale is a brand new, unused **NAPA 2091** circular engine air filter. This is a high-quality replacement element manufactured to deliver exceptional engine defense and clean internal induction airflow, preserved inside its original cardboard box packaging. Perfect for direct automotive replacement or general garage maintenance backup supply.

*Please note: As shown in the photos, the original cardboard retail box exhibits exterior storage shelf-wear, scuffs, color fading, and minor edge tearing from standard workshop preservation. The filter element inside remains completely pristine, clean, unused, structurally sound, and fully ready for air cleaner installation.*

### Technical Specifications & Dimensions:

* **Brand:** NAPA Filters

* **Part Number:** 2091 (FIL 2091)

* **Filter Configuration:** Round Cylindrical / Double Open-Ended Circular Element

* **Outer Diameter:** Approx. 11.50" (292 mm)

* **Inside Diameter:** Approx. 8.625" (219 mm)

* **Height/Length:** Approx. 3.03" (77 mm)

* **Filter Material:** High-capacity resin-treated cellulose media pleat grid

### Industry Cross-Reference & Interchange:

This round element shares an identical shell footprint, sealing boundaries, and dimensions with several major industry standards. It can safely replace or cross-reference with the following manufacturer part numbers:

* **Wix:** 42091

* **FRAM:** CA176

* **Hastings:** AF22

* **Champ / Champion:** AF31

* **General Motors (OEM):** 25096073

* **Mopar:** L-159

### Common Vehicle Fitment & Applications:

The 2091 / 42091 round layout features widespread history across classic domestic passenger car configurations, light trucks, and vintage farm or industrial equipment requiring a standard 11.5" round air induction layer. 

*Note: Please double-check your existing filter housing’s physical clearance measurements or consult your vehicle’s factory service manual to confirm an exact sizing layout match before purchasing.*

### Shipping & Packaging:

* Securely packed inside a sturdy secondary box with extensive padding to guarantee the product packaging and filter housing arrive completely protected.

* Fast, reliable handling and departure out of California.

* Shipped via calculated weight—no automated overcharges.