aFe Power ProGuard HD Oil Filter Jeep Wrangler JL & Gladiator JT | 44-LF039

Overview

The aFe Power ProGuard HD Oil Filter (Part #44-LF039) is a high-performance, direct OE replacement cartridge oil filter engineered specifically for Jeep Wrangler JK, Wrangler JL, and Gladiator JT owners running the 3.6L Pentastar V6. Designed for Jeep enthusiasts who demand the best engine protection whether on the trail or the street, this filter upgrades your standard oil change with superior synthetic filtration media and increased flow efficiency — making it the best oil filter upgrade for the 2018+ Jeep Wrangler JL. It replaces the factory Mopar MO-349 cartridge filter with a drop-in solution that exceeds OEM standards.

Key Features & Benefits

• High-Performance Synthetic Media — Delivers maximum filtration with minimal flow restriction, keeping your 3.6L Pentastar running clean under all driving conditions, including off-road abuse.
• Engineered to ISO 4548-12 Standards — Independently tested to the industry's most rigorous multi-pass filtration efficiency standard, giving you confidence in every oil change.
• Designed for Extended Interval Oil Changes — Built to perform reliably across longer drain intervals, reducing maintenance frequency without sacrificing engine protection.
• Direct OE Replacement Cartridge Design — Drop-in fitment replaces Mopar MO-349 (Chrysler 68191349AA/AB/AC) with zero modifications required.
• Includes Required O-Ring — Everything needed for a complete, leak-free installation is in the box — no extra trips to the parts store.
• High Flow Rates for Outstanding Filtration — Improved oil flow supports better lubrication throughout your engine, reducing wear over time.
• CARB Compliant — Does not require a CARB Executive Order (EO) number; legal for use in all 50 states including California.
• Beginner-Friendly DIY Install — Rated Skill Level 1 by industry standards; the average Wrangler owner can complete this swap in under an hour with basic hand tools.

What's Included

• 1x aFe ProGuard HD Cartridge Oil Filter (44-LF039)
• 1x Replacement O-Ring

Specifications

Fitment & Compatibility

This filter is a vehicle-specific fit for Jeep Wrangler JK (2014–2018), Jeep Wrangler JL (2018–present), and Jeep Gladiator JT (2020–present) — all equipped with the V6 3.6L Pentastar engine. Compatible with both automatic and manual transmission models. Also cross-fits a wide range of FCA (Stellantis) vehicles sharing the 3.6L Pentastar V6, including:

• 2014–2026 Ram 1500 (V6 3.6L)
• 2014–2026 Ram ProMaster 1500 / 2500 / 3500
• 2014–2025 Jeep Grand Cherokee (V6 3.6L)
• 2014–2022 Jeep Cherokee (V6 3.6L)
• 2014–2023 Dodge Charger / Challenger (V6 3.6L)
• 2014–2026 Dodge Durango (V6 3.6L)
• 2014–2023 Chrysler 300 (V6 3.6L)
• 2017–2026 Chrysler Pacifica (V6 3.6L)
• And more — always verify fitment using your vehicle's year, make, model, and engine

Installation

Installing the aFe ProGuard HD Oil Filter is a straightforward beginner-level DIY task (Skill Level 1) requiring no special tools beyond a standard oil filter wrench or socket set. Estimated installation time is under one hour. The kit includes the replacement o-ring so no additional parts are needed. Simply drain the old oil, remove the factory cartridge housing cap, swap out the used filter element, replace the o-ring, reinstall the cap to OEM torque spec, and refill with fresh oil. Always refer to your vehicle's owner's manual for the recommended oil type, capacity, and drain interval.

Frequently Asked Questions

Is this filter CARB compliant?

Yes. The aFe 44-LF039 is CARB compliant and does not require a CARB Executive Order (EO) number. It is legal for use in all 50 states, including California.

Does it replace the Mopar MO-349 filter?

Yes. The 44-LF039 is a direct OE replacement for Mopar MO-349 (Chrysler 68191349AA, 68191349AB, and 68191349AC).

Does the o-ring come included?

Yes. The required replacement o-ring is included in the box for a complete, hassle-free installation.

Is this filter compatible with synthetic motor oil?

Yes. The ProGuard HD filter is compatible with both conventional and full synthetic motor oils, as recommended by Jeep for the 3.6L Pentastar engine.