Choosing the right oil pressure switch is essential for protecting generators and ensuring reliable operation. This guide highlights five compatible options designed for Generac models and related equipment, emphasizing typical pressure ratings, connection types, and install practicality. Each product below is linked to its Amazon listing for quick comparison and purchase.
Summary of selected products:
| Product | Brand | Part/Model | Pressure | Connection | Notes |
|---|---|---|---|---|---|
| DVPARTS Oil Pressure Switch 0L2917C | DVPARTS Store | 0L2917C / 0C3025 / 0C30250SRV / 0G6820 | 10 PSI | 1/4-18 NC | Compatible with Generac 0G6820 |
| Oil Pressure Switch 0L2917C / 0G6820 | 0L2917C / 0C30250SRV / 0G68200SRV | 10 PSI | 1/4-18 NC | Generac compatibility | |
| RAParts Oil Pressure Switch 99236 | Reliable Aftermarket Parts Store | 99236 | 8 PSI | 1 Pole | Fits Generac 9777 series, ~2″ long |
| DVPARTS 0G6820 Oil Pressure Switch | DVPARTS Store | 0G6820 | 10 PSI | 1/4-18 NC | Compatible with Generac Guardian |
| GENERAC 0L2917C Oil Pressure Switch | UGP Store | 0L2917C | 10 PSI | — | OEM reference |
DVPARTS Oil Pressure Switch 0L2917C Overview
The DVPARTS switch series includes models 0L2917C, 0C3025, 0C30250SRV, and 0G6820. This variant lists a 10 PSI rating and a 1/4-18 NC thread. It is positioned as compatible with Generac engines, with a 12‑month warranty offering assurance on fit and function. The component is designed for straightforward replacement in standard configurations.
Oil Pressure Switch 0L2917C / 0G6820 Family
This listing consolidates 0L2917C and 0G6820 compatible parts, highlighting a 10 PSI rating and 1/4-18 thread standard. Compatible Generac engine models include 0G6820 variants such as 0044511, 0057340, 0057350, GP15000E, and GP17500E. The Normally Closed (NC) configuration ensures the switch reports oil pressure status accurately to protect the engine during startup and operation.
RAParts 99236 for Generac and More
The RAParts 99236 is described as a versatile oil pressure switch that fits Generac generators, pressure washers, and more. It has an 8 PSI pressure rating and is a single-pole switch around 2 inches long. This makes it suitable for compact installations where space is a consideration and a lower pressure threshold is acceptable for protection.
DVPARTS 0G6820 Oil Pressure Switch
This DVPARTS model is labeled as compatible with Generac Guardian units. The SKU 0G6820 features a 10 PSI setting and 1/4-18 NC threading, emphasizing easy installation and reliable integration with a subset of Generac engines that require this part number. It is positioned as a direct replacement that supports correct oil pressure signaling during operation.
GENERAC 0L2917C Oil Pressure Switch — OEM
The OEM-style listing for 0L2917C emphasizes Generac compatibility, catering to original equipment expectations. The 10 PSI rating and standard 1/4-18 connection align with typical Generac engine designs, offering a straightforward replacement pathway for technicians maintaining older or mission-critical equipment without introducing non-original parts.
Buying Guide: Key Purchase Considerations
When selecting an oil pressure switch for a generator or related machinery, consider the following factors to ensure compatibility and reliable protection:
- Pressure rating: Most switches in this group operate around 8–10 PSI. Confirm the engine’s required threshold to avoid unnecessary shutdowns or false alarms.
- Thread size and type: Common options include 1/4-18 NC and 1/4-18 NC TF. Verify whether your hardware uses NC or NC/TP configurations to fit the port and sealing requirements.
- Electrical configuration: Normally Open (NO) vs Normally Closed (NC) behavior affects how the switch signals the control system during oil pressure loss. Check your generator’s wiring diagram and safety logic before replacement.
- Compatibility with Generac models: Several listings specify Generac 0G6820 and related portfolios. Ensure the part number aligns with your exact engine model and year.
- Warranty and warranty support: A 12-month warranty or OEM-style options provide assurance on fit and performance. Consider suppliers offering straightforward returns and support.
- Installation accessibility: Some switches are designed for easy bolt-in replacement, while others may require additional adapters or gaskets. Review installation notes and, if needed, consult a technician.
- Durability in real-world conditions: Look for switches built to resist vibration and exposure to a range of temperatures common in generator applications.
- Brand ecosystem: DVPARTS and RAParts provide multiple compatible parts that may help in stocking a single replacement supplier for multiple units.
For optimized performance, match the switch’s specifications to the generator’s service manual, confirm the port diameter, and verify that the replacement part’s electrical characteristics align with the control system’s expectations. This approach minimizes risk and supports consistent engine protection across varying operating conditions.