Briggs & Stratton Power Products Backup Power System

Owner’s Manual

UNIT PARTS LIST

Item Part #

Qty.

Description

Item Part #

Qty.

Description

1

NSP

1

ENGINE, B&S, 18 HP

45

186375GS

1

CLAMP, Hose

2

22259GS

6

NUT, 5/16" - 18

46

185955GS

4

STUD, Muffler Mount

3

22129GS

16

LOCKWASHER, 5/16" - M8

47

187049GS

1

PLUG, Dome

4

48031JGS

1

CLIP, Hoseband

48

49813GS

4

NUT, M6 - 1.0

5

92134GS

1

FILTER, Oil

49

22097GS

9

LOCKWASHER, M6 - 1/4"

6

H186285GS

1

PAN, Engine Mounting

50

22473GS

4

FLAT WASHER, M6 - 1/4"

7

186071GS

1

VALVE, Oil Drain

51

H186125GS

4

BRACKET, Muffler

8

186430GS

1

HOSE, Oil Drain

52

H186030GS

1

BASE, Muffler Box

9

25017GS

2

HHCS, 3/8" - 16 x 1/2"

53

56893GS

16

CRIMPTITE, 10 - 24 x 1/2"

10

22237GS

14

LOCKWASHER, 3/8"

54

22264GS

2

LOCKWASHER, M4 #8

11

38353GS

4

MOUNTS,Vibration

55

186790BGS

1

WIRE, Ground

12

H185972GS

1

BASE, Mount

56

67897GS

2

MANIFOLD, Gasket

13

22531GS

2

HHCS, 5/16" - 18 x 1-3/4"

57

185900GS

1

MANIFOLD, Exhaust

14

92609GS

2

MOUNTS,Vibration

58

186062GS

1

GASKET, Manifold, Muffler

15

29745GS

2

HHCS, 3/8" - 16 x 1"

59

86307GS

2

HHCS, 5/16" x 3/4" SEMS

16

22241GS

6

NUT, 3/8" - 16

60

B4260GS

1

DISK,Air Blocker

17

51754GS

1

HHCS, M8 - 1.25 x 12

61

186242GS

2

PPHMS, #4 - 40 x .019"

18

187032GS

1

WASHER, 3/8 Ext., Shakeproof

62

186205GS

1

SWITCH,Thermodisk Oil Temp.

19

H185957GS

1

SUPPORT,Alt.

63

27772GS

2

LOCKWASHER, #4 Int.Tooth

20

22127GS

5

NUT, 1/4" - 20

64

186206GS

1

PLATE, Oil Temp Switch

21

186152GS

1

HOSE, Gas Regulator to Engine

65

B4268GS

1

ALTERNATOR, Sincro

22

57822GS

2

CLAMP, Hose

66

22511GS

4

HHCS, 3/8 - 16 x 1-1/4"

23

H185966GS

1

BULKHEAD,Alternator Side

67

H186320GS

1

DEFLECTOR, 45° Muffler Box

24

186647GS

1

DECAL, Outdoor Use Only

68

H186038GS

1

BOX, Muffler

25

H189952GS

1

STRAP, Battery Hold Down

69

185894GS

1

MUFFLER, with Brackets

26

B4300GS

2

SWAGE BOLT, 1/4" - 20 x 1/2"

70

22471GS

2

NUT, #8-32

27

42907GS

6

HHCS, M8 1.25 x 16

71

185939CGS

1

CABLE, Starter

28

188574GS

1

CABLE, Battery Positive

72

23152GS

2

HHCS, 3/8" - 16 x 3/4"

29

188443GS

1

BATTERY, 33AH

73

27482GS

1

WASHER, 5/16" Ext. Shakeproof

30

22131GS

2

WASHER, Flat 3/8"

74

186790CGS

1

WIRE, Ground

31

22145GS

2

WASHER, Flat 5/16 - M8

75

186649GS

1

DECAL, Oil Drain

32

188573GS

1

CABLE, Battery Negative

76

B4986GS

1

DECAL, Ground, Green

33

186070GS

4

WASHER, Fiber .26 x .62 x .06

77

186551GS

1

INSULATION, Fuel Hose

34

39253GS

2

HHCS, M8 x 20

78

26915GS

1

NIPPLE, 3/4" NPT

35

186148GS

1

HOSE, Gas - regulator

79

69397GS

4

BOLT, Manifold

36

186151GS

1

ELBOW, Brass, 3/4" NPT x 1/2"

80

45771GS

8

NUT, M8 - 1.25

 

 

 

Gas

81

187277GS

1

SCREEN, Spark Arrestor w/

37

22413GS

2

HHCS, 1/4" - 20 x 1"

 

 

 

screws

38

B4774GS

1

REGULATOR, Gas Fuel

82

H189951GS

1

TRAY, Battery Support

39

186150GS

1

ELBOW, Brass 3/8 NPT

83

96924GS

2

J-BOLT

40

B4773GS

1

SOLENOID, Gas Fuel

84

49820GS

2

NUT, Locking Hex

41

H185961GS

1

CORNER,Alt.Air Inlet, Left

85

59637GS

1

TAPTITE, 3/8" - 16 x 3/4"

42

26850GS

3

WASHER, Ext. M6-1/4"

86

96137GS

1

PLUG, 1/8" - 27

 

 

 

Shakeproof

87

189295GS

1

FLAT WASHER

43

B4300GS

2

BOLT SWAG, 1/4 - 20

88

A6344GS

1

FITTING, Barbed, 90°, 1/8" NPT

44

B4769GS

1

CONTACTOR, Starter

89

189294GS

1

E-RING

27