what is the gap preset on these spark plugs in inches?

Most Bosch Spark Plugs are factory pre-gapped for popular vehicle applications. The gap measurements are indicated either on the box, or by the part number located on the spark plug shell. X suffix = .044" Y suffix = .060" Z suffix = .080". However, it must be noted that wire-tip or needle-tip plugs can afford to have larger gaps as the spark occurs at a lower voltage if one end is pointed, leading to a wider spark and better combustion of the fuel-air mixture. Gaps should never be adjusted on the OE-Fine Wire-tipped plugs - should never be gapped by the installer. Attempts to do so might damage the plug/the delicate tip. What is more important is all the plugs should have equal gaps, or there might be engine knocking and vibrations.

Will this work for Lawnmower ?

Only if your lawn mower has a 2.2L 4 cylinder engine.

14mm socket is standard - 10mm and 12mm are less common, found in only some motorcycles. What is more important is the thread reach - too little or too much are both bad. Amazon has a nice system of selecting the vehicle and showing which plugs fit that vehicle. Bosch has a similar system at BoschAutoParts.com. Remember to NEVER gap-adjust iridium plugs.

Will this work for honda crv 2016?

Bosch 9603 does not fit the 2016 Honda CR-V. The correct Bosch spark plug for this application is 96310. Thank you for your question.

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Bosch 9603ダブルイリジウムスパークプラグ – 4 x longerサービスLife 1 Pack 9603

Bosch 9603ダブルイリジウムスパークプラグ – 4 x longerサービスLife 1 Pack 9603

4.6/5

Product ID: 726983604

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Details

Brand
Bosch
Core Material
イリジウム
Top Material Type
ニッケル
Vehicle Service Type
車
Global Trade Identification Number

⚡4x longer lifespan

🌍Global compatibility

🔩360° laser welded durability

Description

⚡ Ignite your drive with Bosch’s double iridium spark – power that lasts 4x longer!

UNMATCHED LONGEVITY - Double iridium electrodes deliver 4x the service life of standard copper plugs, keeping your engine firing longer.
LIGHTWEIGHT COMPACT - At just 22.7g and compact dimensions, it fits seamlessly into your engine for optimized ignition efficiency.
TRUSTED BOSCH QUALITY - Crafted by Bosch Automotive, a leader in automotive innovation, guaranteeing premium performance and peace of mind.
PRECISION LASER WELDING - 360° continuous laser welding fuses iridium pin and ground electrode for superior corrosion resistance and durability.
GLOBAL GRADE ENGINEERING - Designed to meet international standards, ensuring reliable performance across diverse driving conditions worldwide.

The Bosch 9603 Double Iridium Spark Plug features double iridium firing pins and ground electrode inlays that provide four times the lifespan of standard copper plugs. Its 360° continuous laser welding enhances corrosion resistance and durability, making it a globally compatible, precision-engineered ignition component designed for superior engine performance and longevity.

Specifications

Manufacturer	Bosch Automotive
Brand	Bosch Automotive
Model	スパークプラグ。
Product Dimensions	10.16 x 17.78 x 22.86 cm; 22.68 g
Item model number	9603_1
Exterior	機械加工
OEM Part Number	9603
Item Dimensions L x W x H	10.2 x 17.8 x 22.9 cm
Color	ダブルイリジウム
Item Weight	22.7 g

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