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🔥 Stay cool, run hotter — the thermostat pros trust!
The Edelbrock 8603 High Flow Thermostat is a precision-engineered, vehicle-specific thermostat designed to maintain a consistent 160°F operating temperature. Crafted from durable stainless steel in the USA, it ensures optimal coolant flow for superior engine performance and longevity. Backed by Edelbrock’s legacy of quality since 1938, this thermostat is a trusted upgrade for enthusiasts seeking reliable temperature control.
| ASIN | B017WN1HVS |
| Additional Features | Temperature Display |
| Backlight | No |
| Best Sellers Rank | #31,517 in Automotive ( See Top 100 in Automotive ) #29 in Automotive Replacement Engine Thermostats |
| Brand | Edelbrock |
| Brand Name | Edelbrock |
| Color | Silver |
| Connectivity Protocol | BACnet MS/TP |
| Connectivity Technology | BACnet MS/TP |
| Control Method | Touch |
| Control Type | Touch Control |
| Controller Type | Touch |
| Customer Reviews | 4.7 out of 5 stars 338 Reviews |
| Display Type | LCD |
| Finish Types | Polished |
| Global Trade Identification Number | 00085347086030 |
| Included Components | Edelbrock |
| Item Dimensions D x W x H | 4.2"D x 4.2"W x 7.5"H |
| Item Type Name | THERMOSTAT |
| Item Weight | 0.01 Ounces |
| Manufacturer | Edelbrock |
| Manufacturer Warranty Description | 90 day manufacturer. |
| Material Type | Stainless Steel |
| Model Name | 8603 |
| Model Number | 8603 |
| Mounting Type | Wall Mount |
| Power Source | Battery Powered |
| Product Dimensions | 4.2"D x 4.2"W x 7.5"H |
| Product Style | Universal |
| Shape | Rectangular |
| Special Feature | Temperature Display |
| Specific Uses For Product | Thermostat Control |
| Temperature Control Type | Thermostatic |
| UPC | 085347086030 |
| Voltage | 230 Volts |
A**R
Quality part
Quality and solid construction makes it dependable
B**N
Good Replacement
Good fit/replacement for 1986 Chevy 350 smallblock
B**D
Thermostat
Seems to be working fine. Holding temperature level well.
Z**C
Decent quality.
Seems to open and close around 160, did’t really help my application though.
E**D
High flow thermostat
I needed a high flow thermostat for the high flow water pump I installed, it worked perfectly
C**2
Thermostat
Thermostat is very good quality, perfect fit. It works as described
C**N
very good
very good
M**K
Cooled down the motor for sure
So my car is supposed to have a 180* but while normal driving it would tickle around the 205* and I didn't like seeing it. Once I swear the fuel line hydro locked from heat boiling the gas out of the fuel line. Not positive that is what happened, but I didn't like being stranded. Changing it to 160* keeps the temp below 190* makes me feel 100% better. I don't worry about sitting in traffic now. I may need to change it back in the winter 🥶
Trustpilot
3 weeks ago
2 months ago