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DENSO 4137 Standard Spark Plug U-Groove Design

(1994-1995 Mercedes-Benz E320; 2003 Toyota Matrix; 1985-1987 Buick Regal; 2014-2019 Maserati GranTurismo; 1988 Oldsmobile Cutlass Supreme + 1 more model)

Manufacturer

Part Number

4137
Sale Price

$4.43

In Stock (10+)

delivery box

Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The DENSO 4137 is a standard spark plug engineered for reliable ignition performance across a wide range of gasoline engines. DENSO's standard spark plugs are built to OEM-quality specifications, ensuring a direct replacement fit and consistent, dependable operation.

Key Features:

  • U-Groove Ground Electrode: DENSO's patented U-Groove design exposes more of the spark to the air-fuel mixture, delivering improved ignitability and more complete combustion for increased engine efficiency
  • OEM-Quality Construction: Manufactured to original equipment standards for a precise fit and reliable performance
  • Reliable Ignition: Provides consistent spark delivery to support smooth starts, stable idle, and responsive throttle
  • Durable Materials: Built with high-quality insulator and electrode materials to withstand the demands of normal engine operating conditions
  • Direct Replacement: Designed to replace the original spark plug without modification

The DENSO 4137 standard spark plug is an excellent choice for routine maintenance and spark plug replacement, helping restore engine efficiency and maintain peak performance. DENSO is a globally recognized OEM supplier, making their spark plugs a trusted choice for professional technicians and DIY enthusiasts alike.

Products specifications

Fits

1994-1995 Mercedes-Benz E320; 2003 Toyota Matrix; 1985-1987 Buick Regal; 2014-2019 Maserati GranTurismo; 1988 Oldsmobile Cutlass Supreme; 1975-1976 Alfa Romeo Alfetta

Ground Electrode Core Material

Nickel

Seat Type

FLAT

Center Electrode Tip Material

Nickel

Pre-Gap Size

0.8

Ground Electrode Quantity

1

Ground Configuration

Standard

Center Electrode Core Material

Copper

Ground Electrode Tip Design

Standard

Thread Diameter

14.00

Manufacturer Heat Range

22

Reach

19.00

Hex Size

16.0

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