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Oil pressure switches/specs


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The Rover oil pressure switch is ½ inch UNF with a spanner size of 22mm. The quoted pressure rating is 5.8 – 10.2 psi (nominal 7psi). These fail with monotonous regularity – even the OEM which IIRC is intermotor....part number 50600 (see below)

Here are the complete range of oil pressure switches

Part No. A/F Size Thread Pressure ( p.s.i.)

51150 24 1/8" BSP Taper 0.7-2.2

50820 22 1/8" BSP Taper 2.2-3.6

51140 22 1/8" BSP Taper 3.0-5.0

50750 22 1/8" BSP Taper 3.0-5.0

51100 22 1/8" BSP Taper 3.0-6.0

51110 22 1/8" BSP Taper 3.0-6.0

50740 22 1/8" BSP Taper 3.0-6.0

50810 22 1/8" BSP Taper 3.0-6.0

50700 22 1/8" BSP Taper 4.5-7.5

50800 22 1/8" BSP Taper 4.5-7.5

51196 24 1/8" x 27 NPTF 1.26-3.25

51010 22 1/8" x 27 NPTF 2.0-5.0 N.O.C.

51011 22 1/8" x 27 NPTF 2.9-7.3 N.O.C.

51000 22 1/8" x 27 NPTF 3.0-5.0

50620 13 1/8" x 27 NPTF 3.0-5.0

50530 22 1/8" x 27 NPTF 4.4-8.7

50540 22 1/8" x 27 NPTF 4.5-7.5

51060 22 1/8" x 27 NPTF 4.5-7.5

50670 22 1/8" x 27 NPTF 4.5-7.5 N.O.C.

50500 22 1/8" x 27 NPTF 5.8-10.2 - Standard sprite

51020 24 1/8" x 27 NPTF 6.5-8.5 N.O.C.

50650 22 1/8" x 27 NPTF 6.5-10.0 N.O.C.

50630 13 1/8" x 27 NPTF 10.0-13.0

50610 25.4 1/4" x 18 NPTF 2.0-8.0

50850 22 1/4" x 18 NPTF 2.9-5.1

50590 22 1/4" x 18 NPTF 2.9-8.7

51050 22 1/4" x 18 NPTF 3.0-5.0

50690 22 1/4" x 18 NPTF 4.5-7.5

51190 22 1/4" x 18 NPTF 7.5-11.9

50510 22 1/4" x 19 NPTF 2.9-5.1

50520 22 3/8" BSF 6.1-10.2

50680 22 3/8" BSF 17.4-29.0

50611 22 1/2" UNF 3.0-5.0

51170 22+18 1/2" UNF 4.5-7.5

50600 22 1/2" UNF 5.8-10.2

50950 22 M10 x 1 2.2-6.5

51031 22 M10 x 1 5.8-10.2 N.O.C.

50660 22+15.8 M10 x 1 7.5-10.0

50760 22 M10 x 1 7.5-10.0

51030 22 M10 x 1 17.4-23.2 N.O.C.

50970 22 M10 x 1 23.0-29.0 N.O.C

50960 22 M10 x 1 Taper 2.2-6.5

51197 24 M10 x 1 Taper 4.25-6.25

50550 22 M10 x 1 Taper 4.4-8.7

51015 22 M10 x 1 Taper 4.4-8.7

50710 22 M10 x 1 Taper 4.4-8.7

50951 24 M10 x 1 Taper 4.4-8.7

51040 22 M10 x 1 Taper 23.0-29.0 N.O.C.

50720 22 M12 x 1.5 0.7-2.2

50570 22 M12 x 1.5 2.9-7.3

50730 22 M12 x 1.5 2.9-7.5

50725 24 M12 x 1.5 4.25-6.25

50910 22 M12 x 1.5 5.5-8.5

50770 22 M12 x 1.5 6.0-8.0

50780 22 M12 x 1.5 7.5-10.0

50790 22 M12 x 1.5 7.5-10.0

50830 22 M12 x 1.5 7.5-10.0

51195 24 M12 x 1.5 Taper 4.25-6.25

50890 22 M12 x 1.5 Taper 5.8-10.2

50900 22 M12 x 1.5 Taper 7.5-11.5

51131 21 M14 x 1.5 2.0-4.0

50985 21 M14 x 1.5 2.0-4.0

50980 22 M14 x 1.5 2.2-3.6

50990 21 M14 x 1.5 3.5-6.5

50721 24 M14 x 1.5 3.5-6.5

51133 21 M14 x 1.5 4.25-6 25

50930 22 M14 x 1.5 4.4-8.0

50935 22 M14 x 1.5 4.4-8.0

50840 22 M14 x 1.5 4.5-7.5

50860 24 M14 x 1.5 5.8-8.7

50560 22 M14 x 1.5 7.3-11.6

50880 22 M14 x 1.5 8.0-11.0

51134 21 M14 x 1.5 28.0-32.0

50870 22 M16 x 1.5 5.8-10.2

50871 21 M16 x 1.5 5.8-10.2

50875 21 M16 x 1.5 10.5-14.5

51130 21 M18 x 1.5 4.25-6.25

51132 21 M18 x 1.5 4.25-6.25

50861 21 M18 x 1.5 6.0-8.0

50941 23 M18 x 1.5 8.0-10.0

50920 23 M18 x 1.5 8.5-11.5

50940 23 M18 x 1.5 8.5-11.5

:)

Ian

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