Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
Generac 4145-0 40kw Single Phase Generator Replacement Parts For Model 4145-0
We Sell Only Genuine Generac Parts
Popular Parts for 4145-0
Special Order
$5.95
On Order
$614.02
Special Order
$9.40
Special Order
$29.08
Special Order
$5.95
Special Order
$6.00
Special Order
$12.66
Special Order
$7.92
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Battery
-
2
$254.84 -
4
$6.16
-
5
$20.08
-
6
$18.28
-
7
$5.95
-
8
$2.99
-
9
$5.95
-
11
$5.95
-
12
$5.95
-
13
$5.95
-
14
Carburetor
-
1
$9.40
-
2
$90.75
-
3
$5.95
-
4
$5.95
-
5
$6.52
-
6
$443.99
-
7
$5.95
-
8
-
9
$14.42
-
10
$6.40
-
11
$7.54
-
12
$26.96
-
13
$7.92
-
14
$8.88
-
15
$7.56
-
16
$35.36
-
18
$9.30
-
19
$5.95
-
20
$48.82
-
21
$11.70
-
22
$25.02
-
23
$48.69
-
24
$9.13
-
25
$5.95
-
26
$8.38
-
27
$5.95
-
28
$21.76
Compartment
-
1
$56.80
-
2
$56.00
-
3
-
4
$77.80
-
5
$61.15
-
7
$70.32
-
8
$203.87
-
9
$38.78
-
10
$199.36
-
11
$18.68
-
12
$5.95
-
13
$34.05
-
14
$31.38
-
16
$40.42
-
17
$170.93
-
18
$106.61
-
19
$170.51
-
21
$18.93
-
22
$15.60
-
23
$18.93
-
24
$18.38
-
25
$42.59
-
28
$5.95
-
33
$2.99
-
34
$5.95
-
35
$5.95
-
36
-
37
$9.30
-
38
$5.95
-
39
$5.95
-
40
$5.95
-
41
$5.95
-
43
$5.95
-
45
$5.95
-
46
$146.88
Control Panel
-
1
-
2
-
3
-
4
$614.02
-
5
-
6
$10.92
-
7
$921.77
-
8
$761.66
-
9
$39.89
-
10
-
11
$5.95
-
12
$9.30
-
13
$5.95
-
14
$5.95
-
15
$7.54
-
16
$5.95
-
17
$200.57
-
18
$5.95
-
19
$7.54
-
20
$5.95
-
21
$27.12
-
22
$31.18
-
23
$5.95
-
24
-
25
-
26
-
27
-
28
$5.95
-
29
$76.72
-
30
$59.02
-
31
$37.71
-
32
$31.22
-
33
$5.95
-
34
$2.99
-
35
$108.92
-
36
$35.45
-
37
$39.64
-
38
$29.70
-
39
$15.46
-
40
$5.95
-
41
$5.95
-
42
$5.95
-
43
-
44
-
45
$6.68
-
46
$34.88
-
48
$35.24
-
49
$5.95
-
50
$5.95
-
51
$2.99
-
52
$2.99
-
53
$5.95
-
54
$2.99
-
55
$5.95
-
56
$5.95
-
57
$5.95
-
58
$2.99
-
59
$77.80
-
60
$30.63
-
61
$5.95
-
62
$5.95
-
63
$5.95
-
64
$5.95
-
65
$12.91
-
67
-
68
-
69
$5.95
-
70
$2.99
-
71
$27.98
-
72
$25.69
-
73
$5.95
-
74
-
75
$5.95
-
76
$5.95
-
77
$2.99
-
78
$6.12
-
79
$28.58
-
80
$231.51
-
81
$7.54
-
82
$6.40
Engine Common Parts
-
1
$5498.29
-
2
$55.42
-
3
$33.69
-
4
$21.30
-
5
$84.57
-
6
$134.14
-
7
$8.70
-
8
$5.95
-
9
-
10
$2.99
-
11
$5.95
-
12
-
13
$17.86
-
14
$65.97
-
15
$70.30
-
16
$8.13
-
17
$194.02
-
18
$25.92
-
19
$337.30
-
20
$51.66
-
21
$55.51
-
22
$178.19
-
23
$39.24
-
24
$108.05
-
25
$5.98
-
26
$5.95
-
27
$29.83
-
28
$24.68
-
29
$5.95
-
30
$16.13
-
31
$5.95
-
32
$5.95
-
33
$5.95
-
34
-
35
$5.95
-
36
$5.95
-
37
$7.44
-
38
$2.99
-
39
$5.95
-
40
$2.99
-
41
$4.13
-
42
$5.95
-
43
$5.95
Engine Coolant Heater
-
1
$35.91
-
2
-
3
$5.95
-
4
$130.91
-
5
$6.16
-
6
$13.98
-
7
$26.38
-
8
$23.80
-
9
$5.95
-
10
$9.30
-
11
$5.95
-
12
$5.95
-
13
$4.13
Engine Parts
-
1
$5498.29
-
2
$574.74
-
3
$7.54
-
4
$5.95
-
6
$319.14
-
8
$5.95
-
9
-
10
$5.95
-
11
$5.95
-
12
$5.95
-
13
$27.06
-
14
$7.80
-
15
$8.86
-
16
$23.66
-
17
$5.95
-
18
$5.95
-
19
$112.58
-
20
$75.15
-
21
$36.38
-
22
-
23
$60.33
-
24
$55.42
-
25
$5.95
-
26
$7.42
-
27
$5.95
-
28
$5.95
-
29
$5.95
-
30
$8.13
-
31
$194.02
-
32
$25.92
-
33
$5.95
-
34
$58.66
-
35
$2.99
-
36
$21.76
-
37
$142.51
-
38
-
39
$33.66
-
40
$980.90
-
41
Generator
-
1
$5.95
-
2
$19.62
-
3
-
4
$5.95
-
5
$33.66
-
6
$5.95
-
7
$5.95
-
9
$244.80
-
10
$5.95
-
11
$5.95
-
12
$5.95
-
13
$160.22
-
14
$2604.47
-
15
$58.17
-
16
$145.95
-
17
$16.30
-
18
$5.95
-
19
$3294.23
-
20
$5.95
-
21
$2.99
-
22
$5.95
-
23
$588.10
-
24
-
25
$5.95
-
26
$7.54
-
27
$5.95
-
28
$39.57
-
29
$19.62
-
31
$2.99
-
32
$5.95
-
33
$5.95
-
34
$20.96
-
35
$152.77
-
36
$5.95
-
37
$5.95
-
38
$31.64
-
39
$214.36
-
40
$5.95
-
41
$5.95
-
42
$4.29
-
43
-
44
-
45
Mounting Base
-
1
-
3
$10.92
-
5
$5.95
-
6
$5.95
-
10
$5.95
-
11
$2.99
-
12
$5.95
-
13
$6.76
-
14
$29.08
-
15
$12.66
-
16
$6.00
-
17
$5.95
-
18
$2.99
-
19
$31.53
-
21
$10.32
-
22
$5.95
-
23
$16.13
-
24
$5.95
Muffler
-
1
$294.95
-
2
$22.66
-
3
$34.84
-
4
$48.02
-
5
$5.95
-
6
$2.99
-
7
$119.66
-
8
$42.11
-
9
$40.42
Radiator
-
1
$747.04
-
2
$7.28
-
4
$2541.90
-
5
$9.30
-
6
$5.95
-
7
-
8
$324.66
-
9
$33.56
-
10
-
11
$8.88
-
12
$5.95
-
13
$19.28
-
14
$34.05
-
15
$5.95
-
16
$4.68
-
17
$5.95
-
18
$5.95
-
19
-
20
$5.95
-
21
$38.05
-
22
-
23
$29.10
-
24
$5.95
-
27
$5.95
-
29
$56.75
-
30
$56.80
-
31
-
32
$132.23
-
33
$5.95
-
34
$9.30
-
35
$5.95
-
36
-
37
$2541.90
-
38
$9.30
-
39
$5.95
-
A7364
-
A7599
Regulator
-
1
$100.59
-
2
$14.42
-
3
$9.97
-
4
-
5
$156.82
-
6
$61.89
-
7
$5.95
-
8
$7.54
-
9
$6.40
-
10
$26.96
-
11
$7.54
-
12
$2.99
-
13
$5.95
-
14
$5.95
-
15
$8.88
-
16
$2.99
-
17
$5.95
-
18
$5.95
-
19
$7.54
-
20
$6.82
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