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Mazda >> 3 >> BL >> 1.6 Litre 4 Cyl Z6 DOHC 16v >> BL12 01/2012 - 01/2014 4 Door Sedan >> Mackay Automotive Cooling System Bypass Hose

Mackay Automotive Cooling System Bypass Hose Fits Mazda 3 BL BL12 Sedan [01/2012 to 01/2014] (1.6L Z6 4 Cyl DOHC MPFI)

Part
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Mackay Automotive Cooling System Bypass Hose

Fitment Information:

VIN: 031001 & 118551 --> Outlet - Throttle Body To Thermostat Housing

$34.29

Specifications
Product Type: Bypass Hose / Radiator Hose
Material: Premium High-Temperature Rubber
Placement on Vehicle: Engine Bay
Fitment Type: Direct OE Replacement
Certification: ISO Certified Standards
Compatible Vehicles: Mazda 3 BK Hatchback/Sedan 2.0L Petrol (2003 - 2009) Mazda 3 BK Hatchback 2.3L SP23 Petrol (2003 - 2009)

Alert WARNING! This part will NOT FIT the following Vehicles:

Mazda 3 BK (1.6 Litre 4 Cyl Z6 DOHC 16v):
  • With: VINs Before 031001 & VIN 118551
Mazda 3 BK (1.6 Litre 4 Cyl Z6 DOHC 16v):
  • With: VINs Before 031001 & VIN 118551
Mazda 3 BL (1.6 Litre 4 Cyl Z6 DOHC 16v):
  • With: VINs Before 031001 & 118551
  • With: VINs Before 031001 & 118551
Mazda Axela BL (1.6 Litre 4 Cyl Z6 DOHC 16v):
  • With: VINs Before 031001 & VIN 118551

Tick This part will fit the following Vehicles:

Mazda 3 BK (1.6 Litre 4 Cyl Z6 DOHC 16v):
  • BK12 FWD Sedan 4 Door [10/2003 to 12/2013] 77KW With Auto or Manual Transmission With: VINs 031001 & VIN 118551 Onwards, VIN: 031001 --> & VIN 118551 --> Outlet - Throttle Body To Thermostat Housing
Mazda 3 BK (1.6 Litre 4 Cyl Z6 DOHC 16v):
  • BK14 FWD Hatchback 4 Door [10/2003 to 12/2008] 77KW With Auto or Manual Transmission With: VINs 031001 & VIN 118551 Onwards, VIN: 031001 --> & VIN 118551 --> Outlet - Throttle Body To Thermostat Housing
Mazda 3 BL (1.6 Litre 4 Cyl Z6 DOHC 16v):
  • BL12 FWD Sedan 4 Door [01/2012 to 01/2014] 77KW With Auto Transmission With: VINs 031001 & 118551 Onwards, VIN: 031001 & 118551 --> Outlet - Throttle Body To Thermostat Housing
  • BL14 FWD Hatchback 4 Door [01/2012 to 01/2014] 77KW With Auto Transmission With: VINs 031001 & 118551 Onwards, VIN: 031001 & 118551 --> Outlet - Throttle Body To Thermostat Housing
Mazda Axela BL (1.6 Litre 4 Cyl Z6 DOHC 16v):
  • BL6FJ FWD Sedan 4 Door [01/2009 to 12/2014] With Auto or Manual Transmission With: VINs 031001 & VIN 118551 Onwards, VIN: 031001 --> & VIN 118551 --> Outlet - Throttle Body To Thermostat Housing

Description

Upgrade your vehicle’s cooling system with the Mackay Automotive Cooling System Bypass Hose Outlet – Throttle Body to Thermostat Housing, a trusted solution designed for reliability and performance.

Crafted by Mackay, a leader in Australian automotive manufacturing for over 85 years, this premium throttle body coolant hose is engineered to meet or exceed original equipment (OE) standards. Made from high-temperature resistant rubber and manufactured under strict ISO certified quality controls, the CH3839 Bypass Hose ensures exceptional durability against heat, pressure, and constant coolant exposure. This robust construction helps maintain optimal engine temperatures while preventing leaks and premature hose failures in the engine bay.

Key Features:

  • Direct OE replacement for a perfect fit and easy installation
  • Manufactured from premium, high-temperature rubber for long-lasting performance
  • Engineered and designed in Australia, backed by over eight decades of expertise
  • ISO certified for uncompromising quality and reliability
  • Ideal for throttle body to thermostat housing connections in cooling systems
  • Resistant to heat, pressure, and coolant contamination

Vehicle Compatibility:

This Mackay bypass hose fits the following models, with specific VIN requirements:

  • Mazda 3 BK 1.6L (Throttle Body to Thermostat Housing outlet) – VIN 031001 onwards & VIN 118551 onwards (2003–2009)
  • Volkswagen Caddy 2K 1.6L Maxi 3 Door – VIN 100088 onwards

Important Fitment Notes:

  • Does NOT fit Mazda 3 BK 1.6L VINs before 031001 or 118551
  • Not suitable for Volkswagen Caddy 2K 1.6L 1.6 2 Door, Life 4 Door, Maxi 3 Door before VIN 100088, Maxi TDI250 4 Door, or TDI250 2 Door/4 Door variants

Why Choose Mackay?

Mackay’s legacy in automotive manufacturing—from bonding rubber to metal innovations to supplying components for iconic Australian vehicles such as the FX Holden—underscores their commitment to quality. Manufactured in Melbourne, Australia, Mackay parts set the benchmark for automotive excellence worldwide.

Ensure your cooling system operates flawlessly with the Mackay CH3839 Bypass Hose, designed to prolong engine life and keep your vehicle running smoothly. Order online now for trusted, OE-quality performance from Mackay – the name you can rely on.