Pacemaker PEX4170 Oxygen Sensor Wiring Extensions are designed for Ford FG models fitted with the 5.0L Coyote V8 when installing applicable Pacemaker performance headers. The kit includes 2 x 4-pin oxygen sensor extension harnesses with approximately 290mm wire length, allowing the factory oxygen sensors to connect correctly after header installation.
Supplied with protective sleeving and factory-style electrical connectors for a clean installation without cutting or extending the original vehicle wiring.
Pacemaker PEX4170 Oxygen Sensor Wiring Extensions are specifically designed for Ford FG models fitted with the 5.0L Coyote V8 when installing applicable Pacemaker headers.
Performance headers can reposition the oxygen sensor mounting locations further away from the original factory wiring connectors. The PEX4170 extensions provide the additional wiring length required while retaining factory-style plug connections, eliminating the need to cut, splice or modify the original oxygen sensor wiring.
Performance headers can position the oxygen sensors further downstream than the original exhaust manifolds. The factory oxygen sensor wiring may therefore be too short to reach the new sensor location.
The PEX4170 extension harnesses provide the additional wiring length while retaining the original-style electrical connections. This avoids cutting or splicing the vehicle's factory oxygen sensor wiring and provides a cleaner, more reliable installation.
PEX4170 extends the factory oxygen sensor wiring when fitting applicable Pacemaker Headers to a Ford FG fitted with the 5.0L Coyote V8.
The kit includes 2 oxygen sensor wiring extensions.
Each extension has approximately 290mm of wire length.
The PEX4170 uses 4-pin connectors.
No. The extensions are designed to connect between the existing vehicle wiring and oxygen sensors without cutting or splicing the original harness.
Yes. PEX4170 is a genuine Pacemaker accessory designed for applicable Pacemaker header installations.
Yes. Best Mufflers ships Pacemaker Headers, oxygen sensor extensions and exhaust components throughout Australia.
Yes. Best Mufflers ships Pacemaker products and exhaust components to customers in the United States. International freight and applicable import charges are additional.
For phone orders, advice, or part enquiries – contact us:
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🇦🇺 Best Mufflers
87A Planthurst Road, Carlton NSW 2218, Australia
Mon–Fri 8:00am–5:00pm (by appointment only)
Exhaust Systems Since 1983
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