BorgWarner 8603691 K04 Turbocharger with Integrated Manifold and Water-Cooled Bearing Housing

The BorgWarner 8603691 is a brand-new, genuine OEM-grade K04 turbocharger engineered for 2.5L five-cylinder gasoline engines. Carrying BorgWarner part number 53049980033 and turbo model designation K04-2280DCBAA6.88GCCXM, this unit delivers factory-correct boost performance and reliability as a direct-fit OEM replacement.

A standout feature of this turbocharger is its integrated exhaust manifold design combined with a water-cooled bearing housing, which improves thermal management and extends the service life of internal components. The pneumatically actuated wastegate provides precise boost pressure control for consistent power delivery.

Key Features:

• Turbo Model: K04 (K04-2280DCBAA6.88GCCXM)
• Actuation: Pneumatic wastegate
• Bearing Housing: Water-cooled for superior thermal control
• Design: Integrated exhaust manifold construction
• Condition: Brand new genuine BorgWarner unit
• Engine Compatibility: 2.5L (2521cc) 5-cylinder gasoline engines — RNC2P25-LT / B5254T3
• Power Range: 162–169 kW (220–230 HP) at 5,000–6,000 RPM

Part Number Cross-Reference:

• BorgWarner / OEM: 8603691, 53049980033, 53049700033, 53049880033
• Additional OEM References: 30650569, 30650975, 30757112, 6G9N-6K682-AA, 31319315, 36050575
• CHRA (Center Cartridge): 53047100513

As a genuine BorgWarner turbocharger, the 8603691 meets the same exacting OEM tolerances as the unit supplied on the original vehicle, ensuring a direct bolt-on installation with no modifications required.