2-Pin Waterproof Automotive Connector — DJ7022C-3.5-21 for Water Spray Motor & 1.4T Supercharger

A precision-engineered 2-pin waterproof connector designed for automotive water spray motor systems and 1.4T supercharger wiring harness applications. The DJ7022C-3.5-21 features a rubber seal + plastic housing + metal terminal construction that delivers IP-rated moisture protection in engine bay environments where heat, vibration, and fluid exposure are constant challenges.

Specifications

Model Number	DJ7022A/B/C/D/E-3.5-21 / DJ7023B-3.5-21
Pin Count	2 Pin
Gender	Female (housing)
Terminal Pitch	3.5mm Series
Housing Material	PA66 Nylon + Rubber Seal
Terminal Material	Metal (tin-plated copper)
Waterproof	Yes — rubber seal construction
Certification	CE
Application	Water spray motor, 1.4T supercharger, automotive wiring
Origin	Mainland China

Package Options

Option	Contents	Best For
Connector Set	1× Female housing + 2× Metal terminals	Custom crimp assembly
15cm Wire Harness	1× Pre-crimped connector with 15cm leads	Direct plug-and-play repair

Why Choose This Connector?

✅ Waterproof rubber seal — protects against water spray, condensation, and engine bay moisture
✅ PA66 nylon housing — resists engine heat, vibration, and chemical exposure
✅ CE certified — meets European automotive electrical standards
✅ Exact DJ7022C-3.5-21 spec — OEM-compatible for water spray and supercharger systems
✅ Flexible options — choose housing + terminals for custom builds or pre-wired harness for fast repair
✅ Multiple sub-models available — DJ7022A/B/C/D/E and DJ7023B variants in stock

Common Applications

Windshield washer and water spray motor connectors
1.4T turbocharged engine supercharger wiring
Automotive sensor and actuator harness repair
Engine bay electrical connector replacement
Custom automotive wiring harness fabrication

Installation Guide

Disconnect vehicle battery before working on any electrical connector.
Remove the damaged connector from the wiring harness.
For connector set: Strip wire ends 5–6mm, crimp terminals using a 3.5mm series crimping tool, insert into housing until they click and lock.
For pre-wired harness: Splice to existing wires using butt connectors or solder + heat shrink tubing.
Reconnect battery and test system function.