HomeAir and Fuel Delivery > FiltersWix 42845 Engine Air Filter - Inner or Secondary
Part #: 42845

Wix 42845 Engine Air Filter - Inner or Secondary

Inner and Secondary
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$24.32Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Wix 42845 Engine Air Filter

The Wix 42845 engine air filter is designed to provide reliable air filtration for various vehicle applications. Featuring a synthetic media material and a radial seal inner air style, this filter supports efficient airflow and engine protection.

  • Class Hb rating for heavy-duty performance
  • Cubic feet per minute rating of 70 for optimal air intake
  • Durable plastic ends for secure installation
  • Height of 6.870 inches ensuring proper fitment
  • Radial seal inner air style for effective sealing
  • Synthetic media material for enhanced filtration efficiency
  • Inner diameter bottom of 1.220 inches and outer diameter top and bottom of 1.820 inches

Detailed Product Description

The Wix 42845 engine air filter is engineered with synthetic media material that captures contaminants while maintaining airflow at a cubic feet per minute rating of 70. Its heavy-duty (Hd) duty type classification and class Hb rating make it suitable for demanding engine environments. The filter features plastic ends that provide durability and a radial seal inner air style, which ensures a tight seal to prevent unfiltered air from entering the engine. With a height of 6.870 inches and specific inner and outer diameters, this filter is designed for precise fitment in compatible vehicles.

Applications and Problem Solving

  • Prevents engine damage caused by dust and debris
  • Maintains engine performance by ensuring clean airflow
  • Reduces risk of clogged air intake systems
  • Helps improve fuel efficiency by supporting optimal combustion
  • Protects sensitive engine components from premature wear

Installation Notes and Tips

When installing the Wix 42845 engine air filter, ensure the radial seal is properly seated to avoid air bypass. Verify the filter dimensions match the vehicle’s air intake housing, especially the height and diameters. Clean the air filter housing before installation to maximize filter effectiveness. This filter is compatible with specific vehicle makes and models; consult your vehicle’s manual or a parts database to confirm fitment.

Quality Assurance and Warranty

Wix filters are manufactured to meet industry standards for filtration and durability. The 42845 model undergoes rigorous quality control to ensure consistent performance. While specific warranty details are not provided here, Wix typically offers warranties covering defects in materials and workmanship. Refer to Wix’s official documentation for complete warranty information.

BrandWix
Part Number42845
ClassHb
Cubic Feet Per Minute Rating70
Duty TypeHd
EndsPlastic
Height6.870
Inner Diameter Bottom1.220
Inner Diameter TopClosed
Media MaterialSynthetic
Outer Diameter Bottom1.820
Outer Diameter Top1.820
StyleRadial seal inner air

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

RS3930

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.