GrimmSpeed Turbocharger Coolant Line Kit, Subaru EJ Turbo Models
The GrimmSpeed Turbocharger Coolant Line Kit for Subaru EJ turbo models provides braided stainless replacement coolant lines for the turbocharger. Factory rubber lines degrade from heat cycling, braided stainless eliminates this failure mode.
DETAILS
- Braided stainless coolant lines
- Replaces factory rubber
- More durable in high-heat environment
- Fitment: Subaru EJ turbo models
The turbocharger requires continuous water flow to maintain bearing temperatures. The factory coolant lines are rubber, adequate at manufacture but subject to hardening and cracking with age and heat cycling. A failed line can cause post-shutdown turbo overheating.
GrimmSpeed’s braided stainless lines use correct fittings for the EJ turbocharger and engine block. They maintain proper coolant flow rates.
What’s in the Box
- GrimmSpeed turbo coolant line kit
- Fittings and hardware
Why Choose GrimmSpeed
GrimmSpeed has been engineering performance parts for Subaru platforms from their Portland, Oregon facility since 2003. Everything they make is designed around real-world use, their engineers drive the same cars their customers drive, which means product decisions are made with genuine platform knowledge behind them. GrimmSpeed designs parts in-house, sources quality materials, and validates fitment on the actual application before release. The result is parts that install correctly the first time, perform as advertised, and hold up under the conditions Subaru owners actually subject their cars to. Whether it is a critical engine component or a cosmetic upgrade, the same attention to detail and fit quality applies across the catalog.
The RallySport Take
Preventive maintenance most easily done during other engine service. Eliminates a common failure point. Fits Subaru EJ turbo models.
Fitment
| Year | Make | Model | Notes |
|---|---|---|---|
| All | Subaru | EJ Turbo Models | EJ20/EJ255/EJ207/EJ257 |





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