PartSmith Co. keeps the HPS Red Silicone Heater+Throttle Body Coolant+Expansion Tank Coolant Hose Kit For 92-95 BMW 325i 325is 2.5L M50 E36 in stock so your repair is not waiting on a supplier.

Petroleum contact requires the correct lining, so fuel and oil routing needs the right specification. Measure inner diameter at the fitting rather than estimating by eye.
Shops order the hps red silicone heater from us in volume because the data on the page is accurate.
If your build is unusual, tell us and we will confirm the hps red silicone heater against it.
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Drivers choose the hps red silicone heater here for honest specification detail and quick dispatch.
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The hps red silicone heater listed here is checked against your vehicle before dispatch.
Part details
- Engine: 2.5L
- Material: Silicone
- Finish: Red
- Category: Hose Kits
- Price: $259.19 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
HPS red high temperature reinforced silicone hose kit replaces BMW 1992-1995 325i 325is 2.5L E36 M50 stock OEM rubber Heater, Throttle Body, Expansion Tank Coolant Hoses to prevent and fix the coolant leaking and engine over heating problem caused by cracked, damaged or collapsed OEM rubber coolant hoses. The hose kit includes 100% stainless steel non-perforated embossed hose clamps for easy installation, which do not cut through the silicone hoses.
- Material: 3-Ply Reinforced Silicone
- Color: Red
- Replace stock oem heater, throttle body, expansion tank coolant hoses
- The premium grade high-heat resistance 3-ply reinforced silicone hoses are made with correct bends and curves to ensure a perfect fitment.
- Prevent and fix the coolant leaking and engine over heating problem caused by cracked, damaged or collapsed OEM rubber hoses. Made with correct bends and curves for perfect fitment.
- Race proven design with long lasting quality and engineered for extremely high temperature service (Max. 350F) and prolonged exposure to under-hood and coolant heat.
- Includes 100% stainless steel industrial grade embossed hose clamps which would not cut through the silicone hose.
Application:
For 1992-1995 BMW 325i 2.5L M50 Engine (E36)
For 1992-1995 BMW 325is 2.5L M50 Engine (E36)
Remark:
Installation: Silicone hose water permeation rate is 10 to 15 times greater than standard EPDM rubber hose. Checking water level regularly is highly recommended when silicone coolant hoses are used in a daily driving vehicle.
Product Content:
- 1 Set x Heater + Throttle Body Coolant + Expansion Tank Coolant Hose Kit
Hardware if Any is Shown in the Picture Above
The product does not come with manual/instruction, Professional Install Recommended
Cross Reference Number:
- 57-2137-RED, 572137RED, 57-2137
Send the old part number or a photo and we will match it against this listing before you commit.
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Finished surfaces are wrapped and hardware is bagged, so the part arrives ready to install.
A neutral reference for this work is the Car Care Council maintenance tips.
Frequently asked questions
Can you check fitment before I order?
Our parts team confirms fitment before the box is sealed. Contact us with your vehicle details and we will settle it in advance.
When will my order dispatch?
Same business day dispatch applies to orders placed before the early afternoon cutoff, with tracking that updates at every carrier scan.
What if it does not fit?
Report any transit damage with a photo and we will send a replacement or refund you. We handle the carrier claim ourselves.
What happens before my order ships?
We verify diameter and reinforcement specification on every hose order.
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