Holley 554-155 Wideband O2 Sensor Sniper EFI Bosch LSU 4.9 Oxygen Sensor
Holley 554-155 Wideband O2 Sensor Sniper EFI Bosch LSU 4.9 Oxygen Sensor
HOLLEY

Holley 554-155 Wideband O2 Sensor Sniper EFI Bosch LSU 4.9 Oxygen Sensor

Part # 554-155 SKU HLY554-155

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$174.99
In stock, ships from a US warehouse
SKU: HLY554-155
UPC: 090127006016
Width: 8.00 (in)
Height: 8.00 (in)
Depth: 2.00 (in)
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Free, US only. Arrives in 2–4 days.
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60-day free returns. Wrong fit? Our team is here 24/7. Details
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Highlights

Number of sensors
1
Thread diameter
18mm x 1.5
Wire quantity
3
Item length
8.2 in (20.83 cm)
Position
Exhaust System (Before/After Catalytic Converter, depending on application)
Sensor type
Wideband Oxygen Sensor
Item height
1.65 in (4.19 cm)
Connector type
Female
Style
Bosch LSU 4.9
Item width
7.8 in (19.81 cm)
Mounting style
Screw-In (18mm x 1.5 thread)
Terminal type
Plug-In, 3-Wire Connector
Material
Stainless Steel Sensor Body with Protective Coating
Oem replacement
Yes
Item weight
0.45 lbs (0.20 kg)
Narrowband/wideband
Wideband

Description

Holley 554-155 Wideband O2 Sensor Sniper EFI Bosch LSU 4.9 Oxygen Sensor

The Holley 554-155 Wideband O2 Sensor is an essential component for modern automotive tuning, particularly suited for those utilizing the Sniper EFI system. Designed to monitor the air-fuel ratio (AFR), this sensor employs the Bosch LSU 4.9 technology, ensuring precise readings that facilitate optimal engine performance. By accurately measuring exhaust gas composition, this wideband O2 sensor provides real-time data that helps in fine-tuning fuel delivery and improving overall efficiency.

Incorporating advanced sensing capabilities, the Holley Wideband O2 Sensor enables users to achieve a more responsive and efficient tuning process. The high-quality construction and reliable operation characterize this sensor, making it suitable for various performance applications. By utilizing this sensor, enthusiasts can expect enhanced drivability, better throttle response, and improved fuel efficiency, making it an invaluable addition to tuning setups.

FITMENT: The Holley 554-155 is universally compatible with most vehicles equipped with an aftermarket EFI system that accommodates a wideband O2 sensor. It is designed to integrate seamlessly within the Sniper EFI framework, ensuring robust performance across various engine configurations.

Key Features & Benefits

  • High precision Bosch LSU 4.9 technology for accurate air-fuel ratio monitoring.
  • Improves engine tuning and overall performance efficiency.
  • Durable construction for longevity and reliability under various driving conditions.
  • Supports enhanced throttle response and drivability.
  • Easy integration with Sniper EFI systems for a straightforward installation process.

Specifications
Identification
BrandHOLLEY
Part number554-155
SKUHLY554-155
UPC090127006016
Dimensions and weight
Dimensions (W × H × D)8.00 × 8.00 × 2.00 in
Material and finish
MaterialStainless Steel Sensor Body with Protective Coating
Series and warranty
SeriesSniper EFI
Details
Number of sensors1
Thread diameter18mm x 1.5
Wire quantity3
Includes(1) Holley 554-155 Wideband O2 Sensor (Bosch LSU 4.9)
Item length8.2 in (20.83 cm)
PositionExhaust System (Before/After Catalytic Converter, depending on application)
Sensor typeWideband Oxygen Sensor
Item height1.65 in (4.19 cm)
Connector typeFemale
StyleBosch LSU 4.9
Item width7.8 in (19.81 cm)
Mounting styleScrew-In (18mm x 1.5 thread)
Terminal typePlug-In, 3-Wire Connector
Oem replacementYes
Item weight0.45 lbs (0.20 kg)
Narrowband/widebandWideband

Shipping and returns

Shipping. Free on every order, US only. Orders arrive in 2–4 days.

Returns. 60-day free returns, except in extreme cases.

Support. Our team is available 24/7 for fitment mismatches or any other reason.

Warranty. Full manufacturer guarantee.

Holley 554-155 Wideband O2 Sensor Sniper EFI Bosch LSU 4.9 Oxygen Sensor
Holley 554-155 Wideband O2 Sensor Sniper EFI Bosch LSU 4.9 Oxygen Sensor
$174.99
In stock · free shipping

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