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Z91 - Spark Plug by GUELDNER

Total number of products found: 97
Electrode Gap [mm]:
0,8
Thread Length [mm]:
19
Tightening torque from [Nm]:
25
Tightening torque to [Nm]:
30
Weight:
0.060 kg
Price From (Excl. VAT)
KRW 6949.39
€ 3.99
Height [mm]:
85
Outer Diameter [mm]:
93
Bypass Valve Opening Pressure [bar]:
1
Gasket inside diameter [mm]:
63
Gasket outside diameter [mm]:
72
Weight:
0.470 kg
Price From (Excl. VAT)
KRW 8081.50
€ 4.64
Height [mm]:
85
Outer Diameter [mm]:
76
Bypass Valve Opening Pressure [bar]:
1,5
Gasket inside diameter [mm]:
62
Gasket outside diameter [mm]:
72
Weight:
0.300 kg
Price From (Excl. VAT)
KRW 6339.80
€ 3.64
Height [mm]:
85
Outer Diameter [mm]:
75
Bypass Valve Opening Pressure [bar]:
1
Gasket inside diameter [mm]:
62
Gasket outside diameter [mm]:
71
Weight:
0.300 kg
Price From (Excl. VAT)
KRW 7855.08
€ 4.51
Height [mm]:
72
Outer Diameter [mm]:
82
Bypass Valve Opening Pressure [bar]:
1
Gasket inside diameter [mm]:
57
Gasket outside diameter [mm]:
66
Weight:
0.360 kg
Price From (Excl. VAT)
KRW 5556.03
€ 3.19
Height [mm]:
92
Outer Diameter [mm]:
82
Reverse Lock Opening Pressure [bar]:
1
Gasket inside diameter [mm]:
57
Gasket outside diameter [mm]:
66
Weight:
0.370 kg
Price From (Excl. VAT)
KRW 6566.22
€ 3.77
Price From (Excl. VAT)
KRW 3831.75
€ 2.20
Height [mm]:
85
Outer Diameter [mm]:
77
Inner Diameter 1 [mm]:
71
Inner Diameter 2 [mm]:
52,5
Weight:
0.300 kg
Price From (Excl. VAT)
KRW 4371.67
€ 2.51
Electrode Gap [mm]:
0,8
Thread Length [mm]:
19
Weight:
0.062 kg
Price From (Excl. VAT)
KRW 3657.58
€ 2.10
Electrode Gap [mm]:
0,8
Thread Length [mm]:
19
Weight:
0.046 kg
Price From (Excl. VAT)
KRW 3465.99
€ 1.99
Electrode Gap [mm]:
1
Thread Length [mm]:
19
Weight:
0.062 kg
Price From (Excl. VAT)
KRW 3971.08
€ 2.28
Height [mm]:
75
Diameter 1 [mm]:
63
Diameter 2 [mm]:
55
Outer Diameter [mm]:
83
Weight:
0.000 kg
Price From (Excl. VAT)
KRW 11826.16
€ 6.79
Price From (Excl. VAT)
KRW 4702.60
€ 2.70
Price From (Excl. VAT)
KRW 3971.08
€ 2.28
Height [mm]:
89
Outer Diameter [mm]:
76
Inner Diameter 1 [mm]:
62
Weight:
0.288 kg
Price From (Excl. VAT)
KRW 4615.51
€ 2.65
Height [mm]:
75
Outer Diameter [mm]:
83
Inner Diameter 1 [mm]:
63
Inner Diameter 2 [mm]:
55
Weight:
0.350 kg
Price From (Excl. VAT)
KRW 5503.78
€ 3.16
Height [mm]:
82
Outer Diameter [mm]:
83
Inner Diameter 1 [mm]:
63
Inner Diameter 2 [mm]:
55
Weight:
0.360 kg
Price From (Excl. VAT)
KRW 6409.47
€ 3.68
Height [mm]:
90
Outer Diameter [mm]:
86
Outer Diameter 1 [mm]:
89
Outer Diameter 2 [mm]:
72
Inner Diameter 1 [mm]:
62
Bypass Valve Opening Pressure [bar]:
0,7
Price From (Excl. VAT)
KRW 5869.54
€ 3.37
Thread Length [mm]:
19,0
Spark Position [mm]:
5,2
Weight:
0.250 kg
Price From (Excl. VAT)
KRW 6008.87
€ 3.45
Thread Length [mm]:
19,0
Spark Position [mm]:
5,2
Weight:
0.060 kg
Price From (Excl. VAT)
KRW 5904.37
€ 3.39
Height [mm]:
76
Outer Diameter [mm]:
82
Inner Diameter 1 [mm]:
63
Inner Diameter 2 [mm]:
55
Weight:
0.308 kg
Price From (Excl. VAT)
KRW 8795.60
€ 5.05
Height [mm]:
91
Outer Diameter [mm]:
79
Inner Diameter 1 [mm]:
71
Inner Diameter 2 [mm]:
62
Bypass Valve Opening Pressure [bar]:
1,5
Weight:
0.350 kg
Price From (Excl. VAT)
KRW 5904.37
€ 3.39
Height [mm]:
76
Outer Diameter [mm]:
79
Inner Diameter 1 [mm]:
65
Inner Diameter 2 [mm]:
57
Bypass Valve Opening Pressure [bar]:
1
Weight:
0.310 kg
Price From (Excl. VAT)
KRW 7193.23
€ 4.13
Height [mm]:
101
Outer Diameter [mm]:
79
Inner Diameter 1 [mm]:
63
Inner Diameter 2 [mm]:
55
Bypass Valve Opening Pressure [bar]:
1
Weight:
0.000 kg
Price From (Excl. VAT)
KRW 11408.15
€ 6.55
Height [mm]:
86
Outer Diameter [mm]:
67
Inner Diameter 1 [mm]:
63
Inner Diameter 2 [mm]:
55
Bypass Valve Opening Pressure [bar]:
1
Weight:
0.250 kg
Price From (Excl. VAT)
KRW 8168.59
€ 4.69
Thread Length [mm]:
19
Weight:
0.060 kg
Price From (Excl. VAT)
KRW 2769.31
€ 1.59
Height [mm]:
88
Outer Diameter 1 [mm]:
76
Inner Diameter 1 [mm]:
72
Inner Diameter 2 [mm]:
63
Weight:
0.380 kg
Price From (Excl. VAT)
KRW 3553.07
€ 2.04
Height [mm]:
88
Outer Diameter 1 [mm]:
76
Inner Diameter 1 [mm]:
72
Inner Diameter 2 [mm]:
63
Weight:
0.000 kg
Price From (Excl. VAT)
KRW 5643.12
€ 3.24
Height [mm]:
87
Outer Diameter 1 [mm]:
66
Inner Diameter 1 [mm]:
62
Inner Diameter 2 [mm]:
54
Weight:
0.290 kg
Price From (Excl. VAT)
KRW 3222.15
€ 1.85
Height [mm]:
93
Outer Diameter 1 [mm]:
83
Inner Diameter 1 [mm]:
66
Inner Diameter 2 [mm]:
57
Weight:
0.400 kg
Price From (Excl. VAT)
KRW 4319.42
€ 2.48
Height [mm]:
76
Outer Diameter 1 [mm]:
80
Inner Diameter 1 [mm]:
63
Inner Diameter 2 [mm]:
55
Weight:
0.380 kg
Price From (Excl. VAT)
KRW 4058.17
€ 2.33
Height [mm]:
85
Outer Diameter 1 [mm]:
93
Inner Diameter 1 [mm]:
71
Inner Diameter 2 [mm]:
62
Weight:
0.460 kg
Price From (Excl. VAT)
KRW 5869.54
€ 3.37
Height [mm]:
123
Outer Diameter 1 [mm]:
93
Inner Diameter 1 [mm]:
87
Inner Diameter 2 [mm]:
80
Weight:
0.750 kg
Price From (Excl. VAT)
KRW 8203.42
€ 4.71
Length [mm]:
101
Weight [kg]:
0,045
Pipe Diameter [mm]:
8
Outer Diameter [mm]:
55
Weight:
0.060 kg
Price From (Excl. VAT)
KRW 2368.72
€ 1.36
Height [mm]:
83,5
Outer Diameter [mm]:
82
Weight:
0.000 kg
Price From (Excl. VAT)
KRW 4423.93
€ 2.54
Height [mm]:
87
Outer Diameter [mm]:
76
Bypass Valve Opening Pressure [bar]:
1,5
Packaging length [cm]:
8
Packaging width [cm]:
8
Packaging height [cm]:
9,3
Price From (Excl. VAT)
KRW 4824.52
€ 2.77
Height [mm]:
86
Diameter 3 [mm]:
55
Diameter 4 [mm]:
63
Outer Diameter [mm]:
70
Weight:
0.000 kg
Price From (Excl. VAT)
KRW 3361.49
€ 1.93
Height [mm]:
67
Diameter 3 [mm]:
58
Diameter 4 [mm]:
65
Outer Diameter [mm]:
84
Weight:
0.000 kg
Price From (Excl. VAT)
KRW 4093.00
€ 2.35
Height [mm]:
86
Diameter 3 [mm]:
54
Diameter 4 [mm]:
61
Internal Thread [mm]:
M20x1,5
Outer Diameter [mm]:
68
Weight:
0.000 kg
Price From (Excl. VAT)
KRW 3988.50
€ 2.29
Height [mm]:
85
Outer Diameter [mm]:
93
Outer Diameter 2 [mm]:
71
Inner Diameter 2 [mm]:
62
Bypass Valve Opening Pressure [bar]:
1,1
Weight:
0.000 kg
Price From (Excl. VAT)
KRW 4441.34
€ 2.55
Height [mm]:
121
Outer Diameter [mm]:
93
Outer Diameter 2 [mm]:
88
Inner Diameter 2 [mm]:
80
Bypass Valve Opening Pressure [bar]:
1
Weight:
0.000 kg
Price From (Excl. VAT)
KRW 5695.37
€ 3.27
Height [mm]:
98
Fitted Diameter1/Fitted Diameter2 [mm]:
6 / 8
Outer Diameter 1 [mm]:
36
Outer Diameter 2 [mm]:
31
Weight:
0.000 kg
Price From (Excl. VAT)
KRW 1184.36
€ 0.68
Height [mm]:
89
Outer Diameter [mm]:
76
Weight:
0.300 kg
Price From (Excl. VAT)
KRW 4511.01
€ 2.59
Height [mm]:
108,5
Outer Diameter [mm]:
36
Weight:
1.753 kg
Price From (Excl. VAT)
KRW 1480.45
€ 0.85
Height [mm]:
86
Inner Diameter [mm]:
62
Outer Diameter [mm]:
95
Weight:
0.501 kg
Price From (Excl. VAT)
KRW 7210.65
€ 4.14
Height [mm]:
77
Inner Diameter [mm]:
58,5
Outer Diameter [mm]:
81
Weight:
3.460 kg
Price From (Excl. VAT)
KRW 6026.29
€ 3.46
Height [mm]:
89
Inner Diameter [mm]:
62
Outer Diameter [mm]:
76
Weight:
1.000 kg
Price From (Excl. VAT)
KRW 5956.62
€ 3.42
Height [mm]:
86,5
Inner Diameter [mm]:
62,5
Outer Diameter [mm]:
74,5
Weight:
0.000 kg
Price From (Excl. VAT)
KRW 9979.96
€ 5.73
Height [mm]:
100
Inner Diameter [mm]:
56,5
Outer Diameter [mm]:
81
Weight:
3.670 kg
Price From (Excl. VAT)
KRW 7924.75
€ 4.55
Height [mm]:
74
Diameter 3 [mm]:
57
Diameter 4 [mm]:
63
Outer Diameter [mm]:
76
Weight:
0.280 kg
Price From (Excl. VAT)
KRW 9056.85
€ 5.20
Diameter [mm]:
80,0
Height [mm]:
88,1
Sealing Ring Diameter [mm]:
58,5
Diameter 2 [mm]:
64,5
Tightening Torque [Nm]:
20
Packaging length [cm]:
8,4
Price From (Excl. VAT)
KRW 9405.20
€ 5.40
Diameter [mm]:
80,0
Height [mm]:
88,1
Sealing Ring Diameter [mm]:
58,5
Diameter 2 [mm]:
64,5
Tightening Torque [Nm]:
20
Packaging length [cm]:
8,4
Price From (Excl. VAT)
KRW 8464.68
€ 4.86
Diameter [mm]:
93,2
Height [mm]:
80,0
Sealing Ring Diameter [mm]:
62,0
Diameter 2 [mm]:
71,5
Tightening Torque [Nm]:
20
Packaging length [cm]:
9,5
Price From (Excl. VAT)
KRW 11530.07
€ 6.62
Diameter [mm]:
93,2
Height [mm]:
80,0
Sealing Ring Diameter [mm]:
62,0
Diameter 2 [mm]:
71,5
Tightening Torque [Nm]:
20
Packaging length [cm]:
9,6
Price From (Excl. VAT)
KRW 8429.84
€ 4.84
Diameter [mm]:
76,2
Height [mm]:
87,0
Sealing Ring Diameter [mm]:
62,0
Diameter 2 [mm]:
71,0
Tightening Torque [Nm]:
20
Packaging length [cm]:
7,9
Price From (Excl. VAT)
KRW 6566.22
€ 3.77
Diameter [mm]:
76,2
Height [mm]:
89,0
Sealing Ring Diameter [mm]:
62,0
Diameter 2 [mm]:
72,0
Tightening Torque [Nm]:
20
Packaging length [cm]:
7,9
Price From (Excl. VAT)
KRW 6061.13
€ 3.48
Electrode Gap [mm]:
1
Thread Length [mm]:
19
Spark Position [mm]:
3
Tightening torque from [Nm]:
25
Tightening torque to [Nm]:
30
Packaging length [cm]:
8,85
Price From (Excl. VAT)
KRW 6757.81
€ 3.88
Height [mm]:
85
Outer Diameter [mm]:
77
Inner Diameter 1 [mm]:
71
Inner Diameter 2 [mm]:
53
Weight:
0.260 kg
Price From (Excl. VAT)
KRW 5329.61
€ 3.06
Height [mm]:
82
Outer Diameter [mm]:
83
Inner Diameter 1 [mm]:
63
Inner Diameter 2 [mm]:
55
Weight:
0.370 kg
Price From (Excl. VAT)
KRW 5904.37
€ 3.39
Height [mm]:
90
Outer Diameter [mm]:
94
Inner Diameter 1 [mm]:
73
Inner Diameter 2 [mm]:
63
Weight:
0.400 kg
Price From (Excl. VAT)
KRW 6252.71
€ 3.59
Height [mm]:
86
Outer Diameter [mm]:
69
Inner Diameter 1 [mm]:
63
Inner Diameter 2 [mm]:
55
Weight:
0.270 kg
Price From (Excl. VAT)
KRW 5799.87
€ 3.33
Height [mm]:
75
Outer Diameter [mm]:
83
Inner Diameter 1 [mm]:
63
Inner Diameter 2 [mm]:
55
Weight:
0.360 kg
Price From (Excl. VAT)
KRW 5242.53
€ 3.01
Height [mm]:
128
Outer Diameter [mm]:
90
Inner Diameter 1 [mm]:
87
Inner Diameter 2 [mm]:
75
Weight:
0.670 kg
Price From (Excl. VAT)
KRW 13654.95
€ 7.84
Height [mm]:
105
Outer Diameter [mm]:
36
Inlet Ø [mm]:
8
Outlet Ø [mm]:
8
Weight:
0.020 kg
Price From (Excl. VAT)
KRW 2002.96
€ 1.15
Height [mm]:
87
Outer Diameter [mm]:
68
Inner Diameter 1 [mm]:
55
Inner Diameter 2 [mm]:
62
Weight:
0.260 kg
Price From (Excl. VAT)
KRW 3866.58
€ 2.22
Height [mm]:
89
Outer Diameter [mm]:
77
Inner Diameter 1 [mm]:
72
Inner Diameter 2 [mm]:
62
Weight:
0.269 kg
Price From (Excl. VAT)
KRW 4824.52
€ 2.77
Height [mm]:
80
Outer Diameter [mm]:
81
Inner Diameter 1 [mm]:
53
Inner Diameter 2 [mm]:
62
Weight:
0.282 kg
Price From (Excl. VAT)
KRW 4545.84
€ 2.61
Height [mm]:
90
Outer Diameter [mm]:
66
Bypass Valve Opening Pressure [bar]:
1,0
Gasket inside diameter [mm]:
55
Gasket outside diameter [mm]:
62
Weight:
0.260 kg
Price From (Excl. VAT)
KRW 9213.61
€ 5.29
Height [mm]:
89
Outer Diameter [mm]:
76
Bypass Valve Opening Pressure [bar]:
1,5
Gasket inside diameter [mm]:
66
Gasket outside diameter [mm]:
72
Weight:
0.300 kg
Price From (Excl. VAT)
KRW 7228.07
€ 4.15
Height [mm]:
89
Outer Diameter [mm]:
76
Bypass Valve Opening Pressure [bar]:
1,5
Gasket inside diameter [mm]:
66
Gasket outside diameter [mm]:
72
Weight:
0.300 kg
Price From (Excl. VAT)
KRW 7315.15
€ 4.20
Height [mm]:
89
Outer Diameter [mm]:
76
Bypass Valve Opening Pressure [bar]:
0,8
Gasket inside diameter [mm]:
62
Gasket outside diameter [mm]:
71
Weight:
0.340 kg
Price From (Excl. VAT)
KRW 8429.84
€ 4.84
Height [mm]:
75
Outer Diameter [mm]:
80
Bypass Valve Opening Pressure [bar]:
1,0
Gasket inside diameter [mm]:
57
Gasket outside diameter [mm]:
65
Weight:
0.340 kg
Price From (Excl. VAT)
KRW 6635.89
€ 3.81
Height [mm]:
92
Outer Diameter [mm]:
82
Bypass Valve Opening Pressure [bar]:
1,0
Gasket inside diameter [mm]:
57
Gasket outside diameter [mm]:
66
Weight:
0.360 kg
Price From (Excl. VAT)
KRW 8656.26
€ 4.97
Height [mm]:
85
Outer Diameter [mm]:
93
Bypass Valve Opening Pressure [bar]:
1,1
Gasket inside diameter [mm]:
62
Gasket outside diameter [mm]:
71
Weight:
0.460 kg
Price From (Excl. VAT)
KRW 7977.00
€ 4.58
Diameter [mm]:
14
Tightening Torque [Nm]:
22
Weight [g]:
56
Thread Length [mm]:
19
Gross Weight [g]:
59
Weight:
0.000 kg
Price From (Excl. VAT)
KRW 4476.18
€ 2.57
Diameter [mm]:
14
Tightening Torque [Nm]:
22
Weight [g]:
58
Thread Length [mm]:
19
Gross Weight [g]:
61
Weight:
0.060 kg
Price From (Excl. VAT)
KRW 5138.02
€ 2.95
Height [mm]:
105
Outer Diameter [mm]:
30
Inlet Ø [mm]:
8
Outlet Ø [mm]:
6
Outer Diameter 1 [mm]:
35
Weight:
0.000 kg
Price From (Excl. VAT)
KRW 3169.90
€ 1.82
Height [mm]:
105
Outer Diameter [mm]:
30
Inlet Ø [mm]:
8
Outlet Ø [mm]:
6
Outer Diameter 1 [mm]:
35
Weight:
0.014 kg
Price From (Excl. VAT)
KRW 2473.22
€ 1.42
Height [mm]:
105
Outer Diameter [mm]:
30
Inlet Ø [mm]:
8
Outlet Ø [mm]:
6
Outer Diameter 1 [mm]:
35
Weight:
0.014 kg
Price From (Excl. VAT)
KRW 2647.39
€ 1.52
Height [mm]:
82
Outer Diameter [mm]:
83
Inner Diameter 1 [mm]:
63
Inner Diameter 2 [mm]:
55
Weight:
0.368 kg
Price From (Excl. VAT)
KRW 6897.14
€ 3.96
Height [mm]:
121
Outer Diameter [mm]:
93
Bypass Valve Opening Pressure [bar]:
1,0
Gasket inside diameter [mm]:
80
Gasket outside diameter [mm]:
88
Weight:
0.670 kg
Price From (Excl. VAT)
KRW 20395.34
€ 11.71
Height [mm]:
80
Outer Diameter [mm]:
76
Weight:
0.000 kg
Price From (Excl. VAT)
KRW 4180.09
€ 2.40
Height [mm]:
123
Outer Diameter 1 [mm]:
93
Inner Diameter 1 [mm]:
87
Inner Diameter 2 [mm]:
80
Weight:
0.528 kg
Price From (Excl. VAT)
KRW 5050.94
€ 2.90
Height [mm]:
92
Outer Diameter [mm]:
82
Weight:
0.000 kg
Price From (Excl. VAT)
KRW 5556.03
€ 3.19
Height [mm]:
74
Diameter 3 [mm]:
57
Diameter 4 [mm]:
63
Outer Diameter [mm]:
76
Weight:
0.000 kg
Price From (Excl. VAT)
KRW 8551.76
€ 4.91
Height [mm]:
105
Outer Diameter [mm]:
36
Inlet Ø [mm]:
8
Outlet Ø [mm]:
8
Weight:
0.020 kg
Price From (Excl. VAT)
KRW 1306.28
€ 0.75
Height [mm]:
88
Weight [kg]:
0,38
Outer Diameter 1 [mm]:
76
Inner Diameter 1 [mm]:
72
Inner Diameter 2 [mm]:
63
Weight:
0.380 kg
Price From (Excl. VAT)
KRW 6130.79
€ 3.52
Height [mm]:
76
Weight [kg]:
0,38
Outer Diameter 1 [mm]:
80
Inner Diameter 1 [mm]:
63
Inner Diameter 2 [mm]:
55
Weight:
0.380 kg
Price From (Excl. VAT)
KRW 6217.88
€ 3.57
Height [mm]:
85
Weight [kg]:
0,46
Outer Diameter 1 [mm]:
93
Inner Diameter 1 [mm]:
71
Inner Diameter 2 [mm]:
62
Weight:
0.460 kg
Price From (Excl. VAT)
KRW 8307.92
€ 4.77
Height [mm]:
87
Weight [kg]:
0,29
Outer Diameter 1 [mm]:
66
Inner Diameter 1 [mm]:
62
Inner Diameter 2 [mm]:
54
Weight:
0.290 kg
Price From (Excl. VAT)
KRW 7262.90
€ 4.17
Height [mm]:
123
Weight [kg]:
0,75
Outer Diameter 1 [mm]:
93
Inner Diameter 1 [mm]:
87
Inner Diameter 2 [mm]:
80
Weight:
0.750 kg
Price From (Excl. VAT)
KRW 15744.99
€ 9.04
Height [mm]:
82
Outer Diameter [mm]:
83
Inner Diameter 1 [mm]:
63
Inner Diameter 2 [mm]:
55
Weight:
0.360 kg
Price From (Excl. VAT)
KRW 6409.47
€ 3.68
Height [mm]:
93
Sealing Ring Diameter [mm]:
63
Housing Diameter [mm]:
76
Weight:
0.000 kg
Price From (Excl. VAT)
KRW 18618.80
€ 10.69
Height [mm]:
83,5
Outer Diameter [mm]:
82
Weight:
0.000 kg
Price From (Excl. VAT)
KRW 4423.93
€ 2.54
Height [mm]:
87
Outer Diameter [mm]:
68
Inner Diameter 1 [mm]:
55
Inner Diameter 2 [mm]:
62
Weight:
0.260 kg
Price From (Excl. VAT)
KRW 3866.58
€ 2.22
Height [mm]:
89
Outer Diameter [mm]:
77
Inner Diameter 1 [mm]:
72
Inner Diameter 2 [mm]:
62
Weight:
0.269 kg
Price From (Excl. VAT)
KRW 4824.52
€ 2.77
Height [mm]:
80
Outer Diameter [mm]:
81
Inner Diameter 1 [mm]:
53
Inner Diameter 2 [mm]:
62
Weight:
0.282 kg
Price From (Excl. VAT)
KRW 4545.84
€ 2.61
The spare part with the original number Z91 GUELDNER – Spark Plug, is intended to replace the factory component of vehicles and is selected by OEM code. Relying on the original number lets you verify compatibility with precision, regardless of the manufacturer or part type - be it brake pads, a filter, a belt, a sensor, or any other component. Choosing by OEM remains the most reliable way to avoid mistakes and ensure the assembly operates correctly after installation. For OEM Z91, there are alternatives from multiple manufacturers. Among the most popular replacements are : This makes it easy to choose a part based on brand, price, and availability. The breadth of options allows you to pick the required quality level - from premium brands to budget-friendly solutions. Each alternative has its own technical characteristics, yet all of them are cross-referenced to the OEM Z91 , guaranteeing compatibility with the original part. A catalog this comprehensive streamlines selection and helps you quickly find the optimal option for your technical requirements, preferred manufacturers, and budget. All information is grounded in OEM matching; therefore, choosing a part by number Z91 GUELDNER – Spark Plug ensures accuracy and reliability in any situation.