Spartan 2 is a purebred Wideband Oxygen Controller for the Bosch LSU 4.9 Wideband sensor with no excess.


Spartan 2 is crafted with all automotive grade extended temperature components, this means Spartan 2 offers automotive OEM reliability over the widest operating temperature range possible; -40[C] to 125[C]. 14Point7 stands behind this product with a warranty that is twice as long as any competing product, 2 years


Spartan 2 is equipped with both an analog Linear Output and Simulated Narrowband Output that is compatible with most gauges, ECUs, dataloggers, etc...


The advanced design, highest quality components, and extensive factory calibration means 0.01 Lambda accuracy — without the need for any calibration.

Spartan 2 is designed with MegaSquirt in mind, Spartan 2’s Output Sequencer feature provides MegaSquirt with calibration signals to achieve the highest Lambda accuracy possible over the analog Linear Output. 


Note: The included sensor is a Bosch OEM sensor. The "head" of the sensor and it's internal sensing elements are made by Bosch, the cabling and calibration is done by a 3rd party.


14point7 Spartan 2 WBO2 Controller

$130.00 Regular Price
$125.00Sale Price
  • Linear Output: 0[V] @ 0.68[Lambda] linear to 5[V] @ 1.36[Lambda], 10[AFR] linear to 20[AFR] equivalent for gasoline