No one seems to carry the exotic LR thermostat….but apparently everyone carries the one that fits…..

AC DELCO
->12T1F -> OEM 192 degree
->12T1E -> 195
->12T1B -> 180

2004 Jeep Grand Cherokee L6 4.0
-> Stant Superstat 195 degree -> 45359 ->partsamerica($7)

Since the temp fluctuates so much, using a fail safe thermostat (autozone, actually listed under LR D1) is useless…It will last about 3 months before it “detects” an overheat and locks open.

I suggest paying some money for a HD or high performance therm.

Another crucial emmissions piece. They say you need to drain your radiator to install, but thats really unnecessary. Just unscrew/screw quickly.

1989 Saab 900 L4 2.0 -> GP Sorensen 385029 -> partsamerica($18)

partsamerica actually has a temperature sensor listed for the Disco, but the local Advance Auto isnt able to order it.

standard TX107 ($20)

The stepper motor is quite delicate and often gets screwy @20k to 30k miles. Its also called the throttle body and idle air control valve. I personally like the echlin brand, but the price went from $30 to $60…midas well get the DELCO since it seems to last 3 times as long.

1995 Chevy Tahoe
mileage plus -> MPF31738 ->napa ($32)
Echlin -> CRB21738 -> napa ($59)
GP Sorensen -> 77910003 -> partsamerica ($28)
Niehoff -> 21738 -> partsamerica ($40)
AC/DELCO -> 217437 -> GM dealer ($74)

My first run-in with relays happened when my disco mysteriously died. I had ruled out everything but the relays and EFI ECU (those were the only things I didnt replace)

Anyway, after checking rangerovers.net, I found out that the relays are available at NAPA. After doing some cross referencing, I found out that the same relays are used in a 1997 Crown Vic.

GP Sorensen MR76 -> partsamerica($10)

Turns out, it was a bad connection from the alternator to the main fuse box, causing the battery to die.

Also, these relays dont work for the main EFI relay or fuel pump relay…..You may want to consider just picking up the bosch relays from atlantic british

These things suck. But if you need to pass emissions, you’ve got to replace them.

The alternate part is Bosch 13021 and fits a 1987 Nissan Sentra. ($65)

I also have a AC/DELCO part# of 213534.
and NGK 24005

Autozone normally keeps these in stock at local stores.

Partsamerica sells this one.

RU3570 -> $38

1. Take out the stock air box.
2. Cut about half the cylinder part off of the top part of the stock air box.  Test fit to make sure you can tighten the cone. Once satisfied, tighten cone
   
3. Attach cone to the MAF.  It will sit on top of the shock tower but you may need to zip tie it to the ABS pump.

Note & (Disclaimer): You will get more power, but you will loose snorkel compatablility and the oil will damage the MAF..and Rover MAF’s aint cheap.  Do at your own risk.

Every 100,000 it will go out.

Rangerovers.net has the alternate parts for this, but doesn’t really list what car to search for.

1989 Pontiac Firebird -> AC/DELCO EP240 -> autozone ($62)

Don’t forget the strainer:

1988 Pontiac 6000 -> Master FS3 ($7)

Again, rangerovers.net have the directions to install. Once you wire, the next time it goes out, you just unplug and replace.

4×4wire.com also has pretty good instructions.

If you decide to go with a different pump, remember the rover needs the correct PSI or you will never get it started.

The fan switch seemed to be the one part I should have replaced when I was investigating “code 44″ turns out that this switch not only controls the auxiliary engine fan, but tells the EFI ECU how hot the engine is. If it never clicks on, the engine will run in “open” loop mode.

I found that a 1982 Volks Vanagon had the alternate part for about $8
GP Sorensen 405022 -> partsamerica.com

You will need to pop out the plastic to fit the stock plug. I just used a needle nose plier.

Apparently the plastic fan breaks after @60k….replace it with a steel one that’s designed better.

18in counter clockwise (rotation from front of vehicle)

1996 Ford Mustang Lx V6 3.8
Imperial 220638 -> partsamerica.com -> $46

there are also a few available on summitracing.com

You’re supposed to change this $300+ part every time you change the water pump.

1998 Chevy Blazer V6 4.3 w/AC
Imperial 215158 -> partsamerica.com -> $67

usually in-stock at advance auto