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FAST

FAST O2 Sensor Bosch LSu4 Wideband

MPN: 170408 Catalog #: 001133632 Category: Sensors Check Vehicle Fitment

Product Details

The Bosch LSU4 Oxygen Sensor is widely used in the FAST product line. Finding its way into the FAST EZ-EFI Fuel, EZ-EFI Fuel + Igniton as well as the XFI Sportsman and even the FAST Air/Fuel Meters, the LSU4 is accurate, durable and essential to the operation of a number of FAST products.

This Bosch LSU4 Wideband Oxygen Sensor is used on FAST EZ Fuel, EZ Fuel + Ignition, XFI Sportsman and Air/Fuel Meter Kits.

Bosch LSU4 Wideband Oxygen Sensor for EZ-EFI, EZ-EFI 2.0 and XFI Sportsman

Wideband; O2 Sensor Bosch, Can be used with all A/F Meter Kits from Fast

Replacement and Upgrade Accessories for FAST A/F Meters

FAST XFI 2.0 uses the 30150 NTK LHA:LZ Oxygen Sensor.

Replaces Wideband O2 Sensor on A/F Meter,

FAST O2 Sensor Bosch LSu4 Wideband

O2 Sensor, Bosch Lsu4 Wideband

Air / Fuel Ratio Sensor

O2 Sensor Wideband

Oxygen Sensor - Wideband - Replacement - F.A.S.T EZ-EFI / Air-Fuel Meters - Each

Vehicle Fitment

Universal or product-specific fitment. Please review the product details and contact us if you need help confirming fitment before ordering.

Product Specs

Brand
FAST
Part Number
170408
Catalog Number
001133632
Product Line
FAST Sensors
Category
Ignitions & Electrical
Type
Sensors
UPC / Barcode
036584125259
Vendor Product Category
Data Acquisition
Vendor Product Subcategory
Data Acquisition
Length
9.05 in
Width
5.85 in
Height
1.55 in
Weight
0.38 lb
Units Per SKU
1
Freight / LTL
No
Ship Alone
No
Air Restricted
No
Prop 65
Y
CARB Approved
Yes
Clearance Item
No

Shipping & Availability

Current status 33 Available - Ready to ship
Estimated timing Usually ships within 24hrs

This item is showing available inventory. Most in-stock performance parts ship quickly, but timing can vary by warehouse, vendor cut-off time, holidays, and carrier pickup.

PROP 65 WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Inventory shown: 33 available as of 6/3/2026.

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