--- product_id: 46177183 title: "Earl's 501ERL Oil Thermostat" brand: "earl's" price: "₱27664" currency: PHP in_stock: true reviews_count: 5 category: "Earl's" url: https://www.desertcart.ph/products/46177183-earls-501erl-oil-thermostat store_origin: PH region: Philippines --- # Three 1/8" NPT sensor ports Billet housing for durability Monitors oil temp, flow & pressure Earl's 501ERL Oil Thermostat **Brand:** earl's **Price:** ₱27664 **Availability:** ✅ In Stock ## Summary > 🌡️ Stay ahead of the heat—control your engine’s lifeblood like a pro! ## Quick Answers - **What is this?** Earl's 501ERL Oil Thermostat by earl's - **How much does it cost?** ₱27664 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/46177183-earls-501erl-oil-thermostat) ## Best For - earl's enthusiasts ## Why This Product - Trusted earl's brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Triple Sensor Ports:** Simultaneously track oil temp, flow, and pressure for ultimate control - • **Compact & Lightweight:** Sleek 1.25 lb unit fits seamlessly into your setup - • **Smart Thermostat Design:** Ensures rapid, controlled oil warm-up to optimize engine performance - • **Trusted Performance Brand:** Earl’s reliability with warranty-backed quality - • **Precision Engineered Billet Housing:** Robust design built to last under pressure ## Overview Earl's 501ERL Oil Thermostat features a durable billet housing and three 1/8" NPT sensor ports to monitor oil temperature, flow, and pressure. Its smart thermostat design guarantees quick, controlled warm-up, enhancing engine efficiency and longevity. Lightweight and compact, this unit is a must-have for performance-focused professionals seeking precise oil management. ## Description Earl's 501ERL Oil Thermostat (9.8108G) Review: Look no where else, this is exactly what you need - Earl’s oil coolers are known for the ability to cool and the quality of their product. Well, this oil thermostat bypass is no different. Quality machining and part design is top notch. You basically have two options here when deciding on this setup: One is from Derale (which I also have on another vehicle) and the Earls design. What I like most about Earls design, is the fact that the unit will start bypassing oil at 160 degrees F, with the unit going full open at 180 degrees F. With the Derale unit, any oil temps below 180 F causes the unit to route 90% of the oil back to the transmission (or engine), depending on what you are using it for. And just a side note, I have bypassed all my vehicles radiators (all have auto-trans) and opted for this setup. For those that live in a cold climate (like I do), all is required is to let the vehicle run for about 5 minutes or so on those extremely cold mornings before driving. I have gauges set up on my vehicles that tell me the temp of the oil leaving the transmission and the temp of it after running thru the cooler. Review: Looks and works great on my car! ## Features - Billet Housing - Allows Monitoring Of Oil Temp, Flow & Pressure - Three 1/8" NPT Sensor Ports - Thermostat Design - Insures Quick, Controlled Warm-Up ## Technical Specifications | Specification | Value | |---------------|-------| | Item Package Dimensions L x W x H | 9.5 x 5.8 x 1.5 inches | | Package Weight | 1.8 Pounds | | Item Weight | 1.25 Pounds | | Brand Name | Earl's | | Warranty Description | Warranty | | Model Name | Earl's 501ERL Oil Thermostat (9.8108G) | | Color | Black | | Material | Plastic | | Suggested Users | unisex-adult | | Number of Items | 1 | | Manufacturer | Earl's Performance | | Part Number | 501ERL | | Included Components | Earl's 501ERL Oil Thermostat (9.8108G) | | Size | No Size | ## Images ![Earl's 501ERL Oil Thermostat - Image 1](https://m.media-amazon.com/images/I/61Ve3IQ+zNL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Look no where else, this is exactly what you need *by O***N on August 10, 2013* Earl’s oil coolers are known for the ability to cool and the quality of their product. Well, this oil thermostat bypass is no different. Quality machining and part design is top notch. You basically have two options here when deciding on this setup: One is from Derale (which I also have on another vehicle) and the Earls design. What I like most about Earls design, is the fact that the unit will start bypassing oil at 160 degrees F, with the unit going full open at 180 degrees F. With the Derale unit, any oil temps below 180 F causes the unit to route 90% of the oil back to the transmission (or engine), depending on what you are using it for. And just a side note, I have bypassed all my vehicles radiators (all have auto-trans) and opted for this setup. For those that live in a cold climate (like I do), all is required is to let the vehicle run for about 5 minutes or so on those extremely cold mornings before driving. I have gauges set up on my vehicles that tell me the temp of the oil leaving the transmission and the temp of it after running thru the cooler. ### ⭐⭐⭐⭐⭐ Looks and works great on my car! *by A***T on August 27, 2022* ### ⭐⭐ Maybe I'm doing something wrong. *by J***A on March 25, 2015* I just got this oil thermostat, and I am having a devil of a time finding the correct connectors. It is listed as having -10AN O ring fittings, but all of the -10AN O ring fittings I have bought: Frangola 494002-BL and Russell 670710, have fit very loosely and the O ring does not seem to be large enough to form a tight seal. I am having to resort to massive amounts of teflon tape and I'm not feeling real good about running this in an endurance race. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ph/products/46177183-earls-501erl-oil-thermostat](https://www.desertcart.ph/products/46177183-earls-501erl-oil-thermostat) --- *Product available on Desertcart Philippines* *Store origin: PH* *Last updated: 2026-09-09*