The B18 engine is a 1.8 L inline-4, DOHC, 16-valve engine from Honda’s popular B-series, known for its strong performance and reliability. Built with an aluminum block and head, it uses multi-point fuel injection and came in both naturally aspirated and VTEC versions. It produces about 126 hp to over 200hp with torque between 121 and 174 lb-ft, depending on the model. This engine revs high, up to 8,200 rpm in VTEC trims, making it popular for performance upgrades and engine swaps.
Features
Tested Engine with Warranty
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Direct Fit for Your Vehicle
The Honda B18 engine is a high-performance 1.8L inline 4 engine from Honda’s B-series lineup, renowned for its reliability, smooth power delivery and high-revving capabilities. It features an aluminum block-head, DOHC 16-valve design, and multi-point fuel injection. The VTEC B18B1 engine delivers approximately about 130–140 hp, while the B18C VTEC variants, such as those in the Integra Type R, could deliver over 200 hp.
The B18C VTEC models deliver 200+ hp and a thrilling high-revving experience, as seen in the iconic Integra Type R. The B18C1 (VTEC GSR) gave more power with 170 hp, a 10.0:1 compression ratio, and could rev up to 8,100 rpm. The top version, the B18C5 (Integra Type R), that makes up to 200 hp equipped with bigger cams, a carefully polished head, and a built-in limited-slip differential, which made it one of Honda’s most famous and respected performance engines.
B18 fitment requires matching your specific Integra generation and variant. The B18B1, B18C1, and B18C5 are different engines with different cylinder heads, compression ratios, and VTEC configurations. The application year affects the electronic management interface. Our application review confirms the exact B18 variant for your specific Integra or build before it ships.
Integra owners and B-series builders comparing a used engine, a remanufactured engine, and an OEM engine for the B18 find the used OEM route the most authentic and cost-effective path. A used Honda B18 engine from a verified low-mileage donor gives you the factory-original B-series assembly as an OEM engine — the factory VTEC calibration, the factory DOHC head, the factory Honda precision that defines B-series character. Unlike a remanufactured engine assembled from mixed components, this is an original OEM Honda engine. Choosing a used B18 means choosing the genuine article.
Every used Honda B18 engine ships with up to a 90-day warranty and arrives within 2 to 5 business days. Installation is not included. These are genuine Honda OEM engines, and we stand behind every unit.
Specifications
Product Type
Engine
Displacement (Engine Size)
1.8L Inline-4 DOHC VTEC
Fuel Type
Gasoline
Availability
In Stock
Shipping
Nationwide Available
Use Case
Ideal for performance builds, swaps, and replacements
Frequently Asked Questions
What Honda has a b18 engine?
The Honda Integra and Civic are the most common models that came with B18 engines.
Which B18 engine is the best?
Generally, the B18C5 (Integra Type R) is considered as the best B18 engine because it produces more power, revs higher and comes with performance upgrades like stronger internals, high-lift cams and a factory LSD.
What liter is a B18?
The Honda B18 is a1.8-liter inline-4 engine with a displacement of about 1,797–1,834 cc, depending on the version.
How much horsepower does a B18 engine have?
The Honda B18 engine makes between130–142 hpin non-VTEC versions and up to 200+ hp in VTEC performance models.
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Our shipping policy is flexible, as the shipping charges depend on the location. A few certain remote regions like CO, UT, NY, OR, & CA may have additional shipping charges or delivery fees. However, some circumstances may cause delays, but we always strive to deliver your order as quickly as possible.
Please note that all shipping times are estimates and not guaranteed. We examine all rebuilt and used engines before shipment and aim to provide high-quality used engines and transmissions. Shipping details and fees will be disclosed to consumers before any transactions are made. Our team is operational 24/7, and you can call us at +1-888-799-0188 to place an order.
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