NZKW TRANSMISSION & POWER STEERING OIL COOLER KIT – HIGH EFFICIENCY 3/8” PUSH-ON FITTINGS

Intro
The NZKW Transmission & Power Steering Oil Cooler is designed to reduce fluid temperatures and improve system reliability in high-performance and motorsport applications. Built with a high-efficiency core that is ultrasonically soldered and pressure tested to 150 PSI, this cooler helps prevent heat soak, fluid breakdown, and component wear under demanding driving conditions.

What's Included
• 1x NZKW high-efficiency oil cooler core (selected size)
• 3/8” push-on fittings
• 4ft of 3/8” oil hose
• 4x hose clamps
• 4x nylon cable ties

Specifications
• Core Construction: Ultrasonically soldered aluminium
• Pressure Rating: Tested to 150 PSI
• Fitting Size: 3/8” push-on inlet/outlet
• Type: Transmission / power steering oil cooler
• Cooling Medium: Transmission fluid / power steering fluid
• Mounting: Universal fitment

Available Sizes
• KWTS401
– Height: 5”
– Length: 12-3/4”
– Thickness: 3/4”
– Core: 9-3/4”
– Inlet/Outlet: 3/8”

• KWTS403
– Height: 7-1/2”
– Length: 15-3/4”
– Thickness: 3/4”
– Core: 12”
– Inlet/Outlet: 3/8”

• KWTS405
– Height: 10”
– Length: 15-1/2”
– Thickness: 3/4”
– Core: 12”
– Inlet/Outlet: 3/8”

Key Features
• Reduces transmission and power steering fluid temperatures under load
• Helps prevent fluid breakdown and overheating in performance driving
• Improves gearbox and steering system reliability
• Ultrasonically soldered core ensures long-term durability
• Pressure tested to 150 PSI for motorsport-grade confidence
• Lightweight aluminium construction for efficient heat transfer
• Complete installation kit included for easy setup
• 3/8” push-on fittings simplify hose routing and installation
• Universal design suitable for a wide range of vehicles
• Ideal for both street performance and motorsport applications

Compatible With / Applications
• Universal fitment for most automatic transmissions
• Power steering cooling systems
• Drift, circuit racing, drag racing, and rally applications
• Performance street vehicles under high thermal load
• Turbocharged and high-power builds requiring fluid cooling support

Built for Performance & Reliability
The NZKW Oil Cooler range is engineered to maintain stable operating temperatures in demanding environments where heat buildup can quickly reduce performance and component life. By improving fluid temperature control, it helps ensure consistent hydraulic and transmission operation under sustained load. The brazed aluminium core and pressure-tested construction deliver reliable cooling efficiency for both competition and high-performance street use.

Why Choose NZKW Australia?
🇦🇺 Australian owned and operated
🏁 Motorsport development and real-world track testing
✅ Trusted by workshops, race teams, and enthusiasts
Precision-engineered performance components built for reliability
🚚 Fast Australia-wide shipping
Designed for street, drift, drag, circuit, rally, and off-road applications
Backed by expert product knowledge and local support

Orders are dispatched within 24 hours, unless stated otherwise at time of ordering.

Online Only: 24 to 48 hours delay, but in some cases up to 5 days, depending on the product and third-party shipping.

Pre-order: Available only for items in transit to our Australian warehouse. Estimated dates depend on third-party shipping.

Special Order: Products we manufacture or need to restock. Average time is 3-5 weeks, but may vary depending on third- party shipping