🔥 Stay cool, run hotter — the thermostat pros trust!
The Edelbrock 8603 High Flow Thermostat is a precision-engineered 53mm valve thermostat designed to maintain a consistent 160°F operating temperature. Crafted from durable stainless steel in the USA, it offers a vehicle-specific fit that optimizes coolant flow and engine performance. Trusted by automotive enthusiasts since 1938, this thermostat combines heritage quality with modern reliability.
| ASIN | B017WN1HVS |
| Additional Features | Temperature Display |
| Best Sellers Rank | #200,833 in Automotive ( See Top 100 in Automotive ) #310 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 | 4.5 out of 5 stars 369 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 | 0.27 g |
| Manufacturer | Edelbrock |
| Manufacturer Part Number | 8603 |
| Manufacturer Warranty Description | 90 day manufacturer. |
| Material Type | Stainless Steel |
| Model Name | 8603 |
| Model Number | 8603 |
| Mounting Type | Wall Mount |
| Number of Items | 1 |
| Part Interchange Info | 8603 |
| 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 | HVAC |
| Temperature Control Type | Thermostatic |
| UPC | 085347086030 |
| Unit Count | 1 Count |
| Voltage | 230 volts |
D**R
Works great in my 81 corvette
Put this in my 81 corvette and it made a big difference in the coolant temp. Stock thermostat runs too hot, and this one runs about 160-170 ish. So that’s a whole lot better than 190-210 from the stock thermostat.
H**T
Great product, very convenient, appreciate the availability
great product, good price, very convenient delivery
J**S
Works great!
👍
P**.
Nice upgrade to my 350
Works awesone
Z**C
Decent quality.
Seems to open and close around 160, did’t really help my application though.
C**2
Thermostat
Thermostat is very good quality, perfect fit. It works as described
B**D
Thermostat
Seems to be working fine. Holding temperature level well.
B**D
Inaccurate
Engine runs at 210 now.
K**I
Does what it needs to do
Exactly what I was looking for with my car and a great replacement for the original thermostat
Y**A
good
good brand
R**R
Es lo que esperaba perfecto para mi chevrolet 1978
Es lo que dice la publicación
T**N
Great car part
Great car part
Trustpilot
2 weeks ago
1 month ago