They are supposedly pregapped, but all my plugs that came had a gap of 0.035. My truck calls for a gap of 0.044. I had to use my gapping tool to adjust the gap of each.

does this fit 2007 rx400h?

According to the information provided, you need Denso 4504. https://www.amazon.com/dp/B00S3H2D3Y?ref=myi_title_dp

Compatible with Honda Odyssey 1998 4 cyl?

Cannot say, my application was a 2003 Odyssey and all went well

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⚡ Ignite your drive with Denso’s cutting-edge spark technology!

LIGHTWEIGHT COMPACT - At just 40.8g, engineered for easy installation and optimal fit.
PRECISION TWIN TIP DESIGN - Maximizes spark efficiency for smoother engine performance.
ULTRA DURABLE PLATINUM CENTER - 1.1mm electrode ensures long-lasting ignition reliability.
360 LASER WELDED CONSTRUCTION - Seamless bonding enhances strength and longevity under extreme conditions.
TITANIUM ENHANCED GROUND ELECTRODE - Minimizes tip erosion for consistent spark quality over time.

The Denso #4503 PK16TT Platinum Twin-Tip Spark Plugs feature a unique 1.1mm platinum center electrode combined with a titanium-enhanced ground electrode, welded with 360° laser precision. Designed for superior durability and efficient ignition, these lightweight plugs deliver consistent performance and longevity, making them an essential upgrade for any vehicle’s ignition system.

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TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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Manufacturer	Denso
Brand	Denso
Product Dimensions	9.19 x 14.63 x 2.44 cm; 40.82 g
Item model number	PK16TT
Manufacturer Part Number	4503
Position	Front, Rear
Item Weight	40.8 g

Denso 6 PCSNEW - #4503 PLATINUM T T Spark Plugs - PK16TT

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