Replacing an engine block is a significant undertaking for any vehicle owner. The engine block forms the foundation of your car's engine, housing critical components like the crankshaft and pistons. Selecting the correct replacement block ensures optimal engine performance, longevity, and safety.
- 2.4L G4KJ Engine Assembly Compatible: For Hyundai Tucson 4-Door 2.4L 2014-2019, for Hyundai Sonata 4-Door 2.4L 2011-2016, for Hyundai Santa Fe Sport 4-Door 2.4L 2017-2018, for Kia Sorento 4-Door 2.4L 2014-2019, for Kia Optima 4-Door 2.4L 2011-2018, for...
- Product Inf:1* 2.4L G4KJ engine assembly, OE standard brand new, G4KJ engine assembly has one year warranty
- Tips: Before purchasing, please confirm if the OE number and picture are suitable for your car model. If you are not sure, you can send us your VIN so that we can confirm and avoid any problems
- G4KJ Engine Assembly Features: The engine is the core component of the vehicle. This G4KJ 2.4L engine assembly is manufactured in accordance with the original factory standards and is durable and has a long service life
- Buy with Confidence: MDSAFM provides professional customer service to solve product-related problems for you and make you satisfied. Your recognition is our greatest motivation for progress
- G4FD Package Include: 1x G4FD 1.6L Engine Assembly
- G4FD Engine Assy Application: The G4FD 1.6L engine assy for 2012-2017 Hyundai Accent 1.6L, for 2013-2017 Hyundai Veloster 1.6L, for 2012-2017 Kia Rio 1.6L, for 2012-2017 Kia Soul 1.6L, only for G4FD 1.6L
- G4FD Engine Assembly Features: OE standard manufacturing, brand new and unused, can be directly replaced, stable and reliable performance, the first choice for DIY enthusiasts
- Replacement OE Number: G4FD, if you are not sure if it will fit your model, you can send us your frame number before purchasing and we will determine for you if our product will fit your model
- Service: MDSAFM products have strict quality standards. We provide a one-year warranty. During this period, if you have any questions, please feel free to contact us and we will provide you with a satisfactory solution. Your recognition is our greatest...
- G4NC Engine Assembly: The 2.0L G4NC engine assembly for Hyundai Elantra (MD) (2013–2015), for Hyundai Elantra Coupe (JK) (2014), for Hyundai i30 (GD) (2014–2016), for Hyundai i30 (PD) (2016–present) Hyundai i40 (2012–2019), for Hyundai Tucson (LM...
- G4NC Package: 1* G4NC Engine Assembly, brand new, unused, tested before leaving the factory
- G4NC Engine Assembly Performance: The G4NC engine assembly can run stably for a long time under various harsh working conditions and has a long service life, follow strict production standards and superb manufacturing process to ensure that the parameters...
- Warm Tips: Please confirm the specific year and model of your vehicle before ordering. If you are not sure, you can always contact our professional team to solve it for you quickly
- Buy with Confidence: MDSAFM provides a one-year warranty, and the professional auto parts team is ready to solve your problems at any time. Your recognition is our greatest motivation to move forward
- For use on ALL Chevrolet Gen 1 & 2 Small Block Engines 265, 283, 305, 307, 327, 350, 366, 383, 400
- For use on ALL Chevrolet Big Block Engines 396, 402, 409, 427, 454, 472, 502
- Includes 4x long bolts, 4x short bolts and 4x washers
- Made of 10.9 grade zinc-coated hardened steel
- Long bolt measures 3/8-16 x 3.5" - Short bolt measures 3/8-16 x 3" - Washers measure 3/8
- Has a seat pressure of 80 lbs. at 1.70"
- Outside diameter measures a total of 1.25"
- Sold in set of 16 and has a solid height of 1.2"
- Will work on 1996 LT4 Corvette, ZZ4, GM 602 CT350/400 or ZZ383 engines
- Genuine replacement for GM 602
- ▼【Reference Part Number】: Engine Block Heater 1153, 1155, 1155X. (120 Volts; 60 HZ; 200 Watts)
- ▼【Applications】: Uses include cars, trucks, tractors, snow blowers, chainsaws, snowmobiles, or other equipment. Applications can include heating engine block, oil pan, battery holder, in-take mani-fold, small engine equipment or hydraulic systems.
- ▼【Function】: This is an electric heater that heats the engine of a vehicle to give quicker starts and protects your engine from damage that can occur during cold weather starts. It ensures smoother starts and minimizes wear on engine components...
- ▼【Durable Construction】: Built from high-quality materials, this heater is designed to withstand harsh weather conditions. Its robust construction ensures reliable performance and your engine is well-protected against cold starts.
- ▼【After Sale】: Within 6 months, if you encounter any issues with this Engine Block Heater, please tell us, we will solve for u. Please make sure it fit your needs before purchasing.
- [Vehicle Fitment]: Compatible with Chevrolet Silverado 1500 2019-2022, Silverado 2500HD/3500HD 2020-2025; Compatible with GMC Sierra 1500 2019-2022, Sierra 2500HD/3500HD 2020-2025
- [Replaces OE Number]: 84646134, 84493556, 85015808
- [Durable Material]: The Battery Distribution Engine Compartment Fuse Block is made of reinforced abs plastic and metal material, with excellent impact, abrasion resistance, corrosion resistance, heat resistance and pressure resistance, provide oem...
- [Description]: ①With auxiliary battery; ②Without dual alternator; ③Primary batttery; ④Other names - Underhood junction block
- [Buy with Confidence]: Thank you for choosing our 19-24 Sierra & Silverado Underhood Battery Distribution Fuse Block! If you encounter any issues, please contact us. Your shopping experience is important to us
- CNC-Machined Billet Aluminum Small Block Chevy Fuel Pump Block-Off Plate Kit
- Made out of 6061-T6 Billet Aluminum
- Finishes: Black Anodized (Clear Anodized available)
- Kit includes: Fuel Pump Block + gasket + bolts
This article is part of our complete guide Safety & Security — browse all our comparisons and buying guides.
Last update on 2026-07-18 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement Engine Blocks
Understanding Engine Block Types
Engine blocks are typically made from cast iron or aluminum. Cast iron blocks are known for their durability and resistance to wear, making them a common choice for heavy-duty applications. Aluminum blocks are lighter, which can improve fuel efficiency and handling, but they may be less durable under extreme stress. Consider the intended use of your vehicle and the performance demands when choosing between these materials.
Compatibility and Specifications
The most crucial factor when purchasing a replacement engine block is ensuring it is compatible with your vehicle's make, model, and year. Key specifications to verify include the number of cylinders, displacement (engine size), bore and stroke dimensions, and deck height. Incorrect specifications can lead to poor fitment, performance issues, or even catastrophic engine failure. Always consult your vehicle's service manual or a trusted mechanic to confirm the exact requirements.
Condition and Preparation
Replacement engine blocks can be purchased new, remanufactured, or as bare castings. New blocks offer the highest reliability but come at a premium price. Remanufactured blocks have been rebuilt to meet original specifications and are a cost-effective option. Bare castings are the most basic form and require significant machining and assembly by a professional. Inspect any used or remanufactured block for cracks, warpage, or damage before purchase. Ensure the block is clean and free from debris before installation.