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Spark Plug, Bosch 7305
Equivalent Items:
Only alternative’s available
Overview
Spark plug is no longer made from Manufacturer
Spark plug Bosch 7305 - MR3DII360 - 0 242 356 503
Bosch 7305 Double Iridium Spark Plug for Industrial Engines
Specifications:
Thread Size: 18 mm
Seat Type: Gasket
Resistor: Yes
Reach: 20.6 mm (13/16")
Hex Size: 7/8" (22.2 mm)
Terminal Type: Removable Nut
Gap: 0.012" (0.3 mm)
Good for:
Caterpillar: G3520, G3520C (Biogas only)
Cummins: QSV 81G, QSV 91G, QSK 19G, QSK 45G, QSK 60G, QSK 38G , QSK 50G
Guascor: FG180, FGLD180, FG240, FGLD240, FGLD360, FGLD480, SFGLD480
Perkins: 4000 Series
Superior: 1706G2, 1712G1, 2400 G Series
Waukesha: P48, L36, H24, F18, L7044GSI - 13/16" Rch Heads
Cross Reference:
Denso: GI3-1, GI3-1, GI3-5
Beru: 18GZ6-77-2, Z202, Z350, Z352, Z353
Champion: KB75N, RB75N, RB77N, RB77WPC, RB77WPCC, RB77CC
Caterpillar: 194-8518, 301-6663, 146-2588, 224-2700, 243-4291, 479-7702, 149-9931
Cummins: 4010981, 4098162, 2866879, 4924504
Waukesha: 60999Z, 69919D, 60999U
Guascor: 76.64.292
Siemens: 7664761
Motortech: B8324
Advantages of Bosch plugs:
- First-class ignitability for high performance due to specifically developed precious-metal alloys at the center and ground electrode
- Outstanding engine protection due to nickel-plated housing and thread
- Hassle-free spark plug replacement due to factory-set electrode gap
- High wear resistance due to a highly heat-conductive center electrode
- Reliable thermal characteristics due to heat-shrink assembly
Service Suggestions:
Replace the whole set at once
Experience has shown that replacing the whole set of spark plugs is cheaper than having to replace them one by one. The operating conditions of an engine’s individual spark plugs are very similar – as it becomes apparent by their similar wear behavior.
Fast and correct fitting:
- Select the matching industrial spark plug from the range of products.
- Screw in the industrial spark plug by hand until it is seated tight at the cylinder head.
- Then, use a torque wrench to tighten the industrial spark plug applying the torque specified.
Thread: M18 Torque: 50 – 70 Nm
The use of Bosch industrial spark plugs in engines with fuel-fed pre-chamber is not intended and not recommended by Bosch!
Contact Energy Choice parts team by email for volume discounts at: [email protected]
| 7305 | 7306 | 7308 | |
| Type | MR 3 DII 360 | MR 3 DPP 330 | MR 3 DII 360 |
| Type number | 0 242 356 512 | 0 242 356 504 | 0 242 356 515 |
| Wrench size | 22.2 mm (7/8”) | 22.2 mm (7/8”) | 20.8 mm (13/16”) |
| Thread | M 18 x 1.5 mm | M 18 x 1.5 mm | M 18 x 1.5 mm |
| Thread length | 20.6 mm (13/16”) | 20.6 mm (13/16”) | 20.6 mm (13/16”) |
| Precious-metal center electrode | Iridium | Platinum / Iridium | Iridium |
| Precious-metal ground electrode | Iridium | Platinum | Iridium |
| Electrode gap | 0.3 mm (0.011”) | 0.3 mm (0.011”) | 0.3 mm (0.011”) |
| Resistance | 6 kΩ | 3 kΩ | 6 kΩ |
Re-gapping tool
Bosch re-gapping tool is a professional tool for accurate readjustment of the electrode gap of Bosch M18 Iridium industrial spark plugs.
During their operation, industrial spark plugs wear off as the electrode gap increases. This results in misfires. Bosch Iridium M18 industrial spark plugs were developed in such a manner as to allow electrode re-gapping by means of the Bosch re-gapping tool.
See re-gapping tool PN: 0.986.600.001. Find more information at: https://echoiceparts.com/item?item_code=BOS%200.986.600.001
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