Mishimoto MMSBH-RX8-04K Braided Oil Cooler Hose Line Kit for 04-08 Mazda RX-8

Vehicle Fitment

• 2004-2008 Mazda RX-8 (13B-MSP rotary engine; manual transmission models)

Fitment Notes

• Direct-fit with stock oil coolers; no cutting or modifications needed
• Replaces four factory rubber lines prone to corrosion, including left-side line near front suspension
• Includes banjo bolts, M18 fittings and seals for a leak-free installation

Features

• Pre-made braided stainless-steel hoses with aluminum AN fittings
• Rated to 750 psi and -40 °F to +300 °F temperature range
• Fittings and hoses labeled for easy orientation at install
• Removes failure-prone OEM rubber lines for improved durability
• Lifetime warranty from Mishimoto
• Maintains OEM routing and clearances under steering components
• Lightweight and corrosion-resistant compared to stock

Specifications

• Part Number: MMSBH-RX8-04K
• Line Count: 4 braided hoses
• Fittings: Aluminum AN, includes banjo bolts and seals
• Pressure Rating: 750 psi
• Temperature Range: -40 °F to +300 °F
• Weight: ~8 lb complete kit

Included Components

• 4x Braided stainless-steel hoses (pre-cut lengths)
• 2x M18 banjo bolts and fittings
• All necessary crush washers and seals
• Male-to-male -10 AN connector (for intermediate line)
• Installation instructions

Product Description

The Mishimoto MMSBH-RX8-04K hose kit is designed to replace all four oil cooler lines on 2004-2008 Mazda RX-8 manual models. These braided stainless hoses with durable aluminum AN fittings eliminate the failure-prone rubber hoses that often corrode near the front suspension.

Each hose in this labeled kit installs directly onto OE oil coolers and engine fittings without modification. Rated for up to 750 psi and extreme temperatures, the kit provides reliable performance under track conditions. Backed by Mishimoto's lifetime warranty, this durable kit maintains stock routing and protects vital rotary engine components while adding peace of mind for enthusiasts and daily drivers alike.