Bosch Lambda LSU 4.9

From YourSpec Automotive Wiring Wiki

Revision as of 20:27, 23 May 2026 by Joejernst (talk | contribs) (Updated the seal insulation diameter ranges based on TE technical drawings for the given part numbers.)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

The Bosch LSU 4.9 is a wideband oxygen sensor (lambda sensor) produced by Bosch and used in many production vehicles and with many aftermarket engine management systems.

Mating Connector Housings
Brand Part Number Notes
TE Technologies 1823467-1 TE application notes

Uses TE Technologies AMP MCP contacts, 6 pin, black

Has flange for heat shrink or boot
Mating Contacts
Brand Part Number Wire Gauge Contact Material Notes
TE Technologies 1241380-2 ~17-20AWG Gold Sealing
TE Technologies 1564324-2 ~23-22AWG Gold Sealing

Note: Search of mating contacts linked here: https://www.te.com/en/product-CAT-AM705-T273.html?r=2&compatible=1823467-1

Mating Connector Seals
Brand Part Number Notes
TE Technologies 1718705-1 0.9mm - 1.2 mm insulation OD
TE Technologies 964971-1 1.2mm - 1.6mm insulation OD
TE Technologies 963530-1 1.4mm - 1.9mm insulation OD
TE Technologies 964972-1 1.9mm - 2.1mm insulation OD