Baxter MS‑101‑BK Spin‑On Oil Filter Adapter for Jeep JK 2011‒2013 Pentastar 3.2/3.6L

Eliminate the notorious 2011-2013 JK Wrangler dry start engine wear with the Baxter Performance MS-101-BK Cartridge to Spin-On Oil Filter Adapter, specifically engineered for early Pentastar 3.6L engines in 2012-2013 Jeep JK Wranglers. This innovative adapter solves the first-generation Pentastar startup rattle problem by maintaining oil pressure in the upper oil system.

**Key Features:**
- **Eliminates Early JK Startup Rattle** - Built-in anti-drainback valve keeps upper oil system flooded
- **Protects 2011-2013 JK Engine** - Eliminates the 3-4 second dry start period that damages early Pentastar bearings
- **Full Flow Check Valve** - Ensures proper oil circulation and filtration for your JK
- **Easy JK Installation** - Straightforward bolt-on design with no Wrangler modifications required
- **Quality Construction** - Precision-machined aluminum construction for JK off-road durability

**2011-2013 JK Wrangler Compatibility:**
- 2012-2013 Jeep Wrangler JK (3.6L Pentastar)
- 2012-2013 Jeep Wrangler Unlimited JKU (3.6L Pentastar)
- All 2011-2013 JK trim levels: Sport, Sahara, Rubicon with a 3.6L

**Why 2011-2013 JK Owners Need This Adapter:**
The early JK Wrangler's factory cartridge filter design lacks an anti-drainback valve, causing oil to drain from the upper engine during shutdown. This results in that familiar startup rattle that plagued the first-generation Pentastar engines - a well-known issue among early JK enthusiasts. The MS-101-BK adapter converts your 2012-2013 JK to use readily available spin-on filters while solving this critical early Pentastar design flaw.

**Essential for Early JK Builds:**
Whether you're running a stock 2011-2013 JK or building a rock crawler, this adapter is essential for protecting your early Pentastar investment during those cold morning starts and post-wheeling sessions.

**Installation Note:** Basic mechanical skills recommended. Popular upgrade among 2011-2013 JK DIY enthusiasts.

**Warranty:** Backed by Baxter Performance's quality guarantee.

Transform your 2011-2013 JK Wrangler's startup experience and protect your early Pentastar engine with this essential upgrade.