187-6265 Oil Pressure Switch Fit for Onan QG HGJAA HGJAC HGJAB HGJAD HGJAF HGJAE
$50.69
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$50.69
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ZZ3F03791
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187-6265 Oil Pressure Switch Fit for Onan QG HGJAA HGJAC HGJAB HGJAD HGJAF HGJAE
$50.69
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$50.69
Sale price
$50.69
Regular price
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
Oil Pressure Switch for Onan QG HGJAA HGJAC HGJAB HGJAD HGJAF HGJAE
This 187-6265 oil pressure switch monitors engine oil pressure for Onan QG series generator sets, triggering a warning or shutdown if pressure drops below safe levels.
Overview
This 187-6265 oil pressure switch is a direct replacement component for Onan QG HGJAA, HGJAC, HGJAB, HGJAD, HGJAF, and HGJAE generator models. It detects oil pressure and sends a signal to the control system to protect the engine from low-pressure damage. The switch is built to meet OEM specifications for reliable operation in demanding generator applications.
Built For Performance
- Precision-threaded fitting for a secure, leak-free installation
- Rugged housing withstands high heat and vibration common in generator enclosures
- Electrical contacts rated for consistent signal transmission to the control module
- Sealed internal mechanism resists oil and moisture ingress
- Direct fit for Onan QG series models without modification
Fits These Machines
- for Onan QG HGJAA
- for Onan QG HGJAC
- for Onan QG HGJAB
- for Onan QG HGJAD
- for Onan QG HGJAF
- for Onan QG HGJAE
On-The-Job Use
- Used in RV and commercial generator sets to monitor engine oil pressure during continuous operation
- Commonly replaced during scheduled generator maintenance to prevent unexpected shutdown
- Works in both portable and permanently mounted Onan QG generator applications
Specs At A Glance
| Type | Oil Pressure Switch |
| Part Number(s) | 187-6265 |
| Compatible Series | Onan QG HGJAA, HGJAC, HGJAB, HGJAD, HGJAF, HGJAE |
Good To Know
Q: How do I know if this switch is failing? A: Symptoms include low oil pressure warning lights, engine shutdown, or intermittent alarms. A multimeter test can confirm continuity issues.
Q: Can I install this myself? A: Yes, with basic hand tools and care to avoid cross-threading, most users can swap it in under 30 minutes.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.