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1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problemsThe Hurricane 4 Turbo is a 2.0-liter four-cylinder engine that uses turbulent jet ignition (TJI), a pre-chamber combustion system. A spark plug lights a small charge in a cup-like chamber; expanding gases shoot through openings into the cylinder to help ignite its larger air-fuel charge. Stellantis calls it the industry’s first high-volume TJI application, and names the 2026 Jeep Grand Cherokee as its first vehicle application.
What is turbulent jet ignition?
TJI is a way to initiate combustion using a small pre-chamber above the main cylinder chamber. In Stellantis’s description, fuel in the cup-like chamber is ignited by a spark plug. The expanding, burning gases then pass through openings as jets into the main chamber, helping ignite the larger air-fuel charge. Stellantis says this promotes a faster, more complete burn; that explanation is not, by itself, proof of a particular fuel-economy or performance gain in every driving condition.
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The Hurricane 4 uses a passive TJI system. It also has a second spark plug in each cylinder, associated with the main combustion chamber. The two plugs serve distinct parts of the combustion arrangement rather than representing a single plug firing into the whole cylinder.
How does TJI work in the Hurricane 4 Turbo?
Two ignition points and two fuel-injection systems
Each cylinder has one spark plug for the TJI pre-chamber and another for the main chamber. Fuel delivery combines port injection, which sprays fuel into the intake ports, with high-pressure direct injection into the cylinders. Stellantis says the engine controller can use either system or both, depending on operating conditions.
#1 Best Overall
- Helps force air into an internal combustion engine
- Helps increase the amount of air entering your vehicle's engine to create more power with each piston stroke
- Designed, engineered, tested, and warranted for GM vehicles
- Precise fit for ease of installation
- For proper installation, locate your nearest GM dealer, independent service center, or body shop
- Cold start: Stellantis says both injection systems operate.
- Idle and low loads: Port injection is used.
- Typical and peak power: Both systems operate; at peak power, direct injection supplies most of the fuel.
Miller Cycle and regular gasoline
Stellantis says early intake-valve closing implements a Miller Cycle operating strategy. The company describes that strategy, together with TJI, as supporting a 12:1 compression ratio while allowing the engine to use regular 87-octane gasoline. These are the manufacturer’s design statements, not independent findings about fuel economy or emissions.
What power and turbo specifications has Stellantis published?
Stellantis lists 324 horsepower at 6,000 rpm and peak torque of 332 lb-ft from 3,000 to 4,500 rpm. It also says 90% of peak torque is available from 2,600 to 5,600 rpm, and 100% from 3,000 to 4,500 rpm. These are published manufacturer specifications; the launch announcement is not a road-test report.
Rank #2
- Helps force air into an internal combustion engine
- Helps increase the amount of air entering your vehicle's engine to create more power with each piston stroke
- Designed, engineered, tested, and warranted for GM vehicles
- Precise fit for ease of installation
- For proper installation, locate your nearest GM dealer, independent service center, or body shop
The engine uses a variable-geometry turbocharger with active vanes and up to 35 psi (2.4 bar) of boost, according to Stellantis. Charge air is cooled by a liquid-to-air cooler. Separately, turbo supplier BorgWarner announced that it would supply a 50 mm variable turbine geometry turbocharger for the engine.
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Stellantis says the Hurricane 4 uses 10% less fuel while delivering 20% more power than its current 2.0-liter DOHC I-4. The reviewed launch announcement does not state a test cycle or protocol for that comparison. It should therefore be read as a Stellantis claim, not as an independently verified real-world result or a guarantee for every vehicle or driving pattern.
Rank #3
- 【Fitment】 For Ford Fusion L4 1.5L Turbocharged B0BG 2014-2020; For Ford Escape L4 1.5L Turbocharged B0BG 2017-2019
- 【OE Part number】1816470, 2117134, 1946977, 1832241, 2275932, 2434631, F1FG6K682AC, F1FG-6K682-AC, F1FZ6K682D, F1FZ-6K682-D, F1FZ6K683D, F1FZ-6K683-D, F1FG6K682AA, F1FZ6K682A, DS7Z6K682B, F1FG6K682AB, F1FZ6K682C, DS7Z6K682A, F1FG6K682AD, F1FZ6K682E, DS7G6K682DB, DS7G6K682CA, F1FG6K682BA, DS7G6K682EA, 1639 988 0003, 1639 988 0006, 1639 988 0000
- 【Easy Installation & Direct OEM Replacement】Engineered as a direct OEM replacement, ensuring easy installation and meeting OEM standards. It restores factory-level efficiency and functionality, offering a seamless upgrade for your vehicle with no modifications required
- 【Turbine Housing & Wheel】The turbine housing made of ductile iron is resistant to high temperatures of 1292°F. And the alloy turbine wheel has high oxidation stability and can operate well at 1652°F
- 【Aluminum Compressor Wheel】Crafted from premium forged aluminum alloy, featuring an aerodynamic design that improves airflow and compression efficiency. It ensures durability, stability, and enhanced boost response under various driving conditions
The announcement provides no independent comparative road-test results, real-world fuel-economy figures, long-term reliability data, failure rates, service intervals, or repair costs. A meaningful comparison with another vehicle or engine would require like-for-like figures, including certified fuel economy on the same test cycle and comparable vehicle configurations.
What does Stellantis mean by “industry first”?
Stellantis describes TJI as a technology used in top-tier racing engines and calls the Hurricane 4 its first high-volume application. The related Grand Cherokee announcement calls it the industry’s first high-volume TJI application. The claim is specifically about a high-volume application; it should not be broadened into a claim that this is the first production use of any pre-chamber ignition system.
Rank #4
- 【COMPATIBLE WITH】 Compatible with Range Rover Evoque L551 2018-2023 with AJ20P4 Engine Compatible with Land Rover Discovery Sport 2018-2021 Compatible with Jaguar E-Pace 2018-2019
- 【REPLACEMENT PART NUMBER】 H4P36K682DG, H4P36K682DF, H4P36K682DH, LR094411, LR113873, JDE39550, JDE40220, JDE41460
- 【INSTALLATION POSITION & PRECISE FITS】 Mounted On Engine. Engineered within strict tolerances to directly replace your old or broken Turbocharger. Accepted provide VIN to verify the compatibility. Notice: Please use the appropriate service manual for the operation. If you do not have an installation manual or are not skilled enough to install this part, it is recommended that you seek help from a qualified mechanic.
- 【PACKAGE LIST & SPECIFICATION】 1 pcs x Turbocharger
- 【REST ASSURED OF QUALITY】 This Turbocharger is factory proven. We will be responsible for dealing with them if the product has any quality problems within 1 year.
Which vehicle gets the Hurricane 4 Turbo first?
Stellantis identifies the 2026 Jeep Grand Cherokee as the engine’s first application. BorgWarner’s October 30, 2025 announcement described it as a late-availability offering at that time. That timing statement is not a current order or trim guide, so buyers should check current Jeep availability for the configuration and market they want.
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Clear out junk files and repair common Windows errorsFree Scan →Scan for outdated or missing drivers - takes under a minuteDriver Scan →Repair Windows errors before they cause bigger problemsFix Now →Stellantis says the engine design has flexibility for conventional, hybrid, and plug-in hybrid powertrains. That design flexibility does not establish that every one of those configurations is offered with the Hurricane 4.
Quick Recap
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- Vehicle Application: Mini VZ21 RHB31 turbo charger 100HP compatible with small engine snowmobiles Quads Rhino motorcycle ATV 500-600 cc, compatible with Briggs & Stratton with 21R707-0011-G1 engine, compatible with Suzuki ALTO with YA1/ F6AT engine
- OEM Part Number: ADPOW RHB31 VZ21 Turbocharger replacement for 13900-62D51 13900-62D50 compatible with small engine
- Stable Performance: The turbocharger is a turbo driven forced intake device that can start the machine in a short period of time and increase engine power and torque by 20% -30%. Maintain combustion chamber pressure and fuel/air load
- Material Reliability: The shell is made of ductile iron QT450-10 material, which can withstand temperatures up to 700 ℃. The turbine impeller is made of K418 alloy and can operate at high temperatures up to 900 ℃. Compressive and antioxidant, long service life
- Features: Significantly improves engine horsepower, mechanical durability, airtightness, and corrosion resistance. After 100% pre shipment testing, it greatly reduces the failure rate. Before installation, please lubricate the turbine bearings thoroughly to avoid causing shaft clearance and damage
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