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.
Briggs and Stratton Briggs & Stratton Small Engine 31R777/0042-B1 (31R777/0042B1, 31R777/0042 B1) Replacement Parts For Model 31R777 (0042-B1)
We Sell Only Genuine Briggs and Stratton Parts
Find Briggs and Stratton 31R777 (0042-B1) Parts By Symptom
Will Not Start
50%
Excess blue smoke from engine
50%
Popular Parts for Briggs and Stratton 31R777 (0042-B1)
In Stock
$36.23
In Stock
$6.16
In Stock
$10.28
In Stock
$17.52
In Stock
$10.24
In Stock
$8.48
Special Order
$20.10
In Stock
$150.05
Search Within Model
Browse all Parts
Search by Area
Previous
Showing All Parts
Next
-
$73.13 -
$74.71
-
$171.25
-
$245.60
-
$291.30
-
-
$19.57
-
$59.80
-
$6.89
-
$73.11
-
$18.65
-
$600.25
-
$11.20
-
$180.85
-
$23.35
-
$9.20
-
$8.50
-
$50.92
-
$15.41
-
$92.68
-
$28.92
-
$33.02
-
$7.18
-
$7.14
-
$28.67
-
$9.80
-
$41.10
-
$37.96
-
$66.69
-
$20.10
-
$9.20
-
$185.35
-
$7.80
-
$40.38
-
$28.92
-
-
$19.19
-
-
$6.89
-
$11.04
-
$16.37
-
$25.69
-
$6.16
-
$126.00
-
$17.37
-
$6.89
-
$6.55
-
$6.89
-
$33.46
-
$12.41
-
$8.16
-
$14.24
-
$11.04
-
$20.85
-
$14.02
-
$7.25
-
$7.27
-
$7.57
-
$16.11
-
$13.78
-
$53.92
-
$19.33
-
$17.67
-
$66.69
-
$57.85
-
$48.17
-
$23.13
-
$18.43
-
$14.70
-
$7.41
-
$9.20
-
$12.96
-
$55.92
-
$6.19
-
$171.25
-
$11.50
-
$10.11
-
$23.35
-
$6.16
-
$6.33
-
$9.86
-
$8.36
-
$6.89
-
-
$6.89
-
$6.45
-
$14.43
-
$9.45
-
$150.05
-
$54.98
-
$14.02
-
$9.32
-
$35.46
-
$9.41
-
$9.86
-
$21.63
-
$21.31
-
$6.16
-
$11.74
-
$9.45
-
$7.84
-
$8.02
-
$6.16
-
$19.85
-
$115.05
-
$15.40
-
$27.15
-
$9.91
-
$35.16
-
$7.57
-
$7.70
-
$6.19
-
$6.82
-
$7.61
-
-
$7.07
-
$15.63
-
$57.04
-
-
-
$23.29
-
-
$30.70
-
$16.10
-
$10.54
-
$30.02
-
$8.36
-
$79.43
-
$8.07
-
$18.65
-
$6.89
-
$7.57
-
$19.27
-
$6.26
-
$38.15
-
-
$36.71
-
$9.89
-
$7.18
-
$10.24
-
$52.94
-
$83.86
-
$7.05
-
$9.78
-
$7.34
-
$22.69
-
$339.83
-
$6.34
-
-
$29.98
-
$7.00
-
$7.41
-
$52.48
-
$10.43
-
$11.72
-
$63.72
-
$79.43
-
$64.72
-
$10.39
-
$8.50
-
$16.33
-
$22.25
-
$72.21
-
$6.89
-
$32.78
-
$13.61
-
$15.35
-
$6.68
-
$40.23
-
$10.24
-
$13.59
-
$11.20
-
$46.75
-
$142.16
-
$102.34
-
$45.87
-
$7.57
-
$6.16
-
$6.68
-
$8.48
-
$6.84
-
$9.41
-
$7.18
-
$12.37
-
$53.65
-
$31.85
-
$10.11
-
$11.91
-
$150.05
-
$23.86
-
$14.70
-
$10.11
-
$17.52
-
$12.15
-
$10.24
-
$29.06
-
$36.23
-
$10.28
-
$34.32
-
$63.04
-
$26.27
-
$13.39
-
$74.18
-
$22.50
-
-
$44.19
-
$25.70
-
$16.96
-
$38.12
-
$73.81
-
$29.85
-
$6.55
-
$9.87
-
$6.16
-
$9.52
-
$6.27
-
$119.79
-
$15.87
-
-
$9.52
-
$108.47
-
$6.89
-
$76.59
-
$37.72
-
$6.61
-
$6.57
-
$24.04
-
$7.80
-
$58.54
-
$16.54
-
$131.83
-
-
$697.35
-
$8.82
-
$63.72
-
$88.80
-
$7.34
-
-
$6.84
-
$74.25
-
$87.93
-
$64.72
-
$332.75
-
$10.30
-
$53.75
-
$157.92
✖
✖