TP1015 FUEL FILTER AND A3231C AIR FILTER FOR SILVERADO GMC SIERRA 2017-2019 DURAMAX 6.6L V8 2500HD 3500HD DIESEL ENGINE

iFJF part No.: FJ-AF07-TP1015. iFJF TP1015 Fuel Filter + A3231C Air Filter Combo Two Filters, One Order, Zero Hassle Diesel maintenance shouldn't be a scavenger hunt. The iFJF TP1015 Fuel Filter & A3231C Air Filter Combo bundles the two most frequently replaced filters on your 2017 2019 Duramax 6.6L L5P into a single order at a single price. One box shows up at your door. One shipping charge. One service session to knock out both filters and get back on the road. Whether you're stacking miles towing a fifth-wheel, running hot-shot deliveries, or just keeping your daily-driver HD truck running clean, this combo saves you the headache of ordering twice and the extra shipping that comes with it. Why Buy the Combo? Item Purchased Separately Combo Price TP1015 Fuel Filter $17.99 $37.99 A3231C Air Filter $29.99 Shipping (2 separate orders) $ $$ What's Included TP1015 Fuel Filter Filtration: 5 micron absolute captures 99.9% of particles 5 m Media: Multi-layer synthetic blend with hydrophobic water-separation barrier Water Separation: 98% efficiency protects CP4.2 pump from cavitation damage O-Rings: 2 Viton fluoroelastomer O-rings (cap seal + filter seal), rated 400 F Replaces: ACDelco TP1015 GM 22937279 23456595 23304096 A3231C Engine Air Filter Media: High-flow synthetic cellulose blend with progressive-density layering Pleat Count: Optimized for maximum surface area within OEM housing dimensions Seal: Molded polyurethane perimeter gasket no air bypass, no unfiltered air reaching the turbo Replaces: ACDelco A3231C GM 84262965 WIX CA12258 Baldwin LAF3231 Purolator 33-5065 Compatible Vehicles Chevrolet Silverado 2500HD / 3500HD 2017 2018 2019 6.6L L5P Duramax Turbo Diesel V8 Fuel filter also fits 2020 model year GMC Sierra 2500HD / 3500HD 2017 2018 2019 6.6L L5P Duramax Turbo Diesel V8 Fuel filter also fits 2020 model year Note: A3231C air filter fits 2017 2019 model years only. 2020 models may use a different air filter housing design verify before ordering. TP1015 fuel filter fits all 2017 2020 L5P trucks plus Chevy Cruze 1.6L/2.0L diesel (2014 2019). Cross-Reference / Replaces OEM Part Numbers Fuel Filter: TP1015 ACDelco TP1015 GM 22937279 23456595 23304096 Air Filter: A3231C ACDelco A3231C GM 84262965 WIX CA12258 Baldwin LAF3231 Purolator 33-5065 Technical Specifications Specification TP1015 Fuel Filter A3231C Air Filter Media Type Multi-Layer Synthetic Blend High-Flow Synthetic Cellulose Micron Rating 5 m Absolute N/A (Engine Air) Water Separation 98% Efficiency N/A Seal Type 2 Viton O-Rings Molded Polyurethane Gasket Service Interval 15,000 22,500 mi 15,000 30,000 mi (inspect at 15K) Installation Under-hood, filter housing Airbox, drop-in, no tools Installation Tips FUEL FILTER PRIME FIRST: Fill the new TP1015 with clean diesel before threading it into the housing. The CP4.2 pump is lubricated by fuel a dry filter means a dry pump on first crank. That's a $4,000+ mistake. FUEL FILTER LUBE O-RINGS: Light coat of clean diesel or silicone grease on both Viton O-rings. Prevents pinching and ensures a clean seal. FUEL FILTER TORQUE: 18 ft-lbs (25 N m). Smooth threads if you feel resistance, back off and realign. FUEL FILTER BLEED: Key ON (don't start) 3 5 times. Listen for the in-tank pump to cycle and stop. Then crank. AIR FILTER DROP IN: Unclip the airbox, lift out the old filter, drop in the A3231C, reclip. No tools. No wrestling. Takes 90 seconds. AIR FILTER CHECK THE SEAL: Make sure the polyurethane gasket sits flush against the airbox s