Heater hoses

Nissan 300ZX technical discussion forum: Maintenance, performance, installations, modifications, how-to's and troubleshooting.
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t.mcginley.jr
Posts: 1547
Joined: Fri Jun 01, 2012 5:50 am
Car: 2002 Nissan Altima SE 3.5
1990 Nissan 300ZX NA 2+0
1966 Ford Mustang
Location: New Jersey, USA

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Anyone know what size the heater hoses are? I'm talking about the ones that go from the back of the engine to the heater core at the firewall. I bought some 5/8" but it's too small, plus the guy at Advanced Auto Parts didn't know if the measurement on the box was ID or OD... :facepalm:


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Ziggy1621
Posts: 1137
Joined: Sun Jun 10, 2012 5:57 pm
Car: '90 Z32 TT (Shibui)
'90 Z32 2+0 NA
'68 311 Roadster
2004 Rx330
2011 BMW 550i (TT)
Location: Cocoa, Florida
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You're in luck! Haven't put mine on! These are silicone and the ID is 5/8"

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User avatar
t.mcginley.jr
Posts: 1547
Joined: Fri Jun 01, 2012 5:50 am
Car: 2002 Nissan Altima SE 3.5
1990 Nissan 300ZX NA 2+0
1966 Ford Mustang
Location: New Jersey, USA

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Awesome thanks Ziggy I must have bought 5/8" OD

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Ziggy1621
Posts: 1137
Joined: Sun Jun 10, 2012 5:57 pm
Car: '90 Z32 TT (Shibui)
'90 Z32 2+0 NA
'68 311 Roadster
2004 Rx330
2011 BMW 550i (TT)
Location: Cocoa, Florida
Contact:

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no prob


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