It is threaded with 1/8 National Pipe Thread

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ACDelco C8020 Professional Oil Pressure Switch

ACDelco C8020 Professional Oil Pressure Switch

Q: Is this a normally open switch? Closes when it senses oil pressure?

Opposite. It is normally closed and grounded, that's why the light is on when key on, engine off. Pressure of oil opens the circuit.

Q: c8020 oil presure switch, will this fit a 1968 firebird with a 454 big block chevy and what is the oil presure range.

SO what is the oil pressure range? I don't see the answer or is this one for the light

Q: What is the thread size and what is the pressure at which it opens?

Thread size Isabel 1/4 NPT and the switch pressure i don't know

Product ID: 405229374

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Details

Operation Mode
automatic
Operating Voltage
5 Volts
Contact Type
Normally Open
Connector Type
Blade
Brand
ACDelco

⚡5V Operating Voltage

🔧Precision Fit & Form

🛠️Durable Brass & Copper Contacts

Frequently Bought Together

ACDelco Professional C8020 Oil Pressure Switch

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Description

⚙️ Stay ahead with precision pressure sensing—because your engine deserves the best!

EFFORTLESS INSTALLATION - No assembly required—get back on the road faster with a plug-and-play switch.
ROBUST CONTACT MATERIALS - Brass and copper contacts ensure long-lasting, corrosion-resistant operation.
SEAMLESS OEM COMPATIBILITY - Designed for perfect fit, form, and function—no modifications needed.
COMPACT LIGHTWEIGHT DESIGN - At just 49.9g and 9.14x5.59x4.32 cm, it fits effortlessly into your vehicle’s system.
PROFESSIONAL GRADE RELIABILITY - Engineered to meet ACDelco’s premium aftermarket standards for flawless performance.

The ACDelco C8020 Professional Oil Pressure Switch is a premium aftermarket replacement designed for reliable, precise oil pressure monitoring. Operating at 5 volts with durable brass and copper contacts, it guarantees OEM-level fit and function without assembly. Compact and lightweight, this USA-made switch ensures seamless integration and long-term dependability for your vehicle’s engine management.

Specifications

Operation Mode	automatic
Operating Voltage	5 Volts
Contact Type	Normally Open
Connector Type	Blade
Brand	ACDelco
Terminal	Screw
Item dimensions L x W x H	9.1 x 5.6 x 4.3 Centimeters
Circuit Type	1-way
Actuator Type	Diaphragm
Contact Material	Brass, Copper
International Protection Rating	IP00
Number of Positions	1
Controller Type	Push Button
Control Method	App
Connectivity Protocol	X-10
Colour	Black
Net Quantity	1.0 Count
Number of Items	1
Global Trade Identification Number	00036666064063
Manufacturer	ACDelco
Product Dimensions	9.14 x 5.59 x 4.32 cm; 49.9 g
Item model number	C8020
Manufacturer Part Number	19106700
OEM Part Number	19106700
Volume	14 Cubic Inches
Assembly Required	No
Manufacturer	ACDelco
Country of Origin	USA
Item Weight	49.9 g

Have a Question? See What Others Asked

Is this a normally open switch? Closes when it senses oil pressure?

c8020 oil presure switch, will this fit a 1968 firebird with a 454 big block chevy and what is the oil presure range.

What is the thread size and what is the pressure at which it opens?

Is this 1/8” npt?

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