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JrDarknes · 09-04-2018, 10:55 AM

For anyone with a PreUpdate RB20 or have a REDTOP with those finned valve covers (This means you have square plugs for your CAS, COOLANT TEMP, TPS and IGNITER).

Wiring Specialites can make a Harness for your engine. Just tell them its a Early Style RB20.

If your trying to replace your O2 Sensor. Type this in your search bar.
APW INTERNATIONAL INC. AP3-10 OE Style

If Youre trying to replace your Ignitor
Type this (22020-58s01 nissan) in google. You should find some websites still selling these new.
OR
Just go to autozone website and register vehicle as 1990 Nissan 300ZX turbo. They sell the ignitor there for 200 dollars new.

Replacing your CAS
1990 Nissan 300ZX turbo, just go to autozone and buy one new.

If your trying to replace your coolant temp.
Add 1990 300ZX as your vehicle in Autozone (or anythign similar) and the coolant temp sensor should be square plug.

09-04-2018, 10:55 AM	#1226
JrDarknes Zilvia Junkie Join Date: Jan 2013 Location: Indianapolis, IN Age: 29 Posts: 507 Trader Rating: (7)	For anyone with a PreUpdate RB20 or have a REDTOP with those finned valve covers (This means you have square plugs for your CAS, COOLANT TEMP, TPS and IGNITER). Wiring Specialites can make a Harness for your engine. Just tell them its a Early Style RB20. If your trying to replace your O2 Sensor. Type this in your search bar. APW INTERNATIONAL INC. AP3-10 OE Style If Youre trying to replace your Ignitor Type this (22020-58s01 nissan) in google. You should find some websites still selling these new. OR Just go to autozone website and register vehicle as 1990 Nissan 300ZX turbo. They sell the ignitor there for 200 dollars new. Replacing your CAS 1990 Nissan 300ZX turbo, just go to autozone and buy one new. If your trying to replace your coolant temp. Add 1990 300ZX as your vehicle in Autozone (or anythign similar) and the coolant temp sensor should be square plug. __________________ Instagram: Nismo_Lk Last edited by JrDarknes; 03-14-2019 at 06:27 AM..