Hello everyone,

Back a few years ago I replaced my 190E oxygen sensor with a Ford Mustang GT unit which is also the same as the Bosch 15725 universal.

Buy Bosch Oxygen Sensor 15735 at Advance Auto Parts

Not too long ago my buddy replaced his 560SEL's with a non-MB unit. I cannot remember which it was. I thought it was the same as my Ford Mustang unit but I could be wrong.

I was looking and evidently Bosch 15735 is the universal for the 420SEL.

Whats the difference between the 15725 and 15735 units? I swear we just used the Ford Mustang unit on the 560SEL but it was a while ago and neither of us can recall exactly.

There is a substantial price difference between the two. I tried searching on here and there were no definitive post/thread on the v8 w126s.

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Cruise Control not working? Send me PM or email (jamesdean59@gmail.com). I might be able to help out.
Check here for compatibility, diagnostics, and availability!

(4/11/2020: Hi Everyone! I am still taking orders and replying to emails/PMs/etc, I appreciate your patience in these crazy times. Stay safe and healthy!)


82 300SD 145k
89 420SEL 210k
89 560SEL 118k
90 300SE 262k RIP 5/25/2010
90 560SEL 154k
91 300D 2.5 Turbo. 241k
93 190E 3.0 235k
93 300E 195k

So does anyone know if we can use the Ford Mustang GT sensor on the w126s too? Or can it only be used on the 124s and 201s?

__________________
Cruise Control not working? Send me PM or email (jamesdean59@gmail.com). I might be able to help out.
Check here for compatibility, diagnostics, and availability!

(4/11/2020: Hi Everyone! I am still taking orders and replying to emails/PMs/etc, I appreciate your patience in these crazy times. Stay safe and healthy!)


82 300SD 145k
89 420SEL 210k
89 560SEL 118k
90 300SE 262k RIP 5/25/2010
90 560SEL 154k
91 300D 2.5 Turbo. 241k
93 190E 3.0 235k
93 300E 195k

I'm unsure of the cross reference applications but I talked to a Bosch rep a few years back and the differences are in the amount of current the heater circuit draws.

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90 300TE 4-M
Turbo 103, T3/T04E 50 trim
T04B cover .60 AR
Stage 3 turbine .63 AR
A2W I/C, 40 LB/HR
MS2E, 60-2 Direct Coil Control
3" Exh, AEM W/B O2
Underdrive Alt. and P/S Pulleys,
Vented Rear Discs, .034 Booster.
3.07 diffs 1st Gear Start

90 300CE 104.980
Milled & ported head, 10.3:1 compression
197° intake cam w/20° advancer
Tuned CIS ECU
4° ignition advance
PCS TCM2000, built 722.6
600W networked suction fan
Sportline sway bars
V8 rear subframe, Quaife ATB 3.06 diff

*bump*

To add to this:

If the reference isn't available from your FLAPS then ask for the 1990 Ford Ranger 4 cyl upstream sensor.

Splice your OEM plugs on (braid and crimp the stainless wire) then hook it up. Works like a champ on 190E.

I used the 1990 Ford Mustang GT on my 190E

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1990 190E 3.0L