26 What are the correct spark plugs for my car?
Description
This article is from the VW Technical FAQ, by with numerous contributions by Jan Vandenbrande others.
26 What are the correct spark plugs for my car?
A: Check the manual, however the manual/Bentley/dealer may sometimes be wrong.
Here is some info collected over time:
Some regular Champions do not work well with VWs.
Bosch are the stock plugs, and work well in most VWs.
NGK seems to be a suitable replacement for some cars.
8 Valve up to 87: WR7D? where ? = S, P
9A Engines (16V from August 1989 - present):
Bosch FR6DS - ZVP121086S
Bosch F6DTC - equivalent (see differences below).
Corrado G60: Bosch W6DP0 - VW# 251 201 511A (at 16US$ EACH!).
Corrado VR6: Bosch F7LC0R2 - Weird beast! Bosch/Autotech listing
Bosch FR8LPX - Recommended by EIP Tuning!
NGK ZFR6F-11 - VW now sells these as a replacement
Some claim it makes the car less snappy
NGK BK5EKU/BKR5EKU - These seem ok
Champion C9MCC - OEM, manual incorrectly lists these
as Bosch plug, seem to work better
than the Bosch F7LC0R2
Autolite AP3923 - One of the Corrado list favorites.
[The non Pt one is 3923]
Needs regap to .028" (.7 mm) are way off
Golf & Jetta III,
Cabrio
with ABA engine Bosch FR8DS - 101 000 044 AA, see TSB V28-94-01
Jetta GLX, Passat GLX,
SLC with AAA engine NGK BK5REKU - 101 000 035 AB, see TSB V28-94-01
(see also the Performance faq on additional sparkplug info).
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