The 1991 Honda Integra came with a 1.8L DOHC 4-cylinder engine (B18A1) producing 130 horsepower and 121 lb-ft of torque. This naturally aspirated engine features Honda’s VTEC-E technology in some trim levels, providing excellent fuel economy while maintaining good performance. The B18A1 is known for its smooth operation, high-revving nature, and excellent throttle response. It uses a timing belt that should be replaced every 90,000 miles along with the water pump. The engine is capable of running well past 200,000 miles with proper maintenance and is highly regarded among Honda enthusiasts for its reliability and potential for modification.

The 1991 Honda Integra shares most parts with the 1990-1993 first-generation Integra models, as they’re part of the same DA chassis family. Many engine components from the B18A1 are interchangeable with 1990-1993 models, while some internal parts can work with later B18 engines through 2001. Body panels, interior components, and suspension parts are generally compatible across 1990-1993 years. However, there were mid-year changes in 1991-1992 for certain electrical components and trim pieces. The transmission, axles, and brake components from 1990-1993 are typically interchangeable, though ABS-equipped models have different brake components than non-ABS versions.

Parts availability changes daily. Call us at (603) 392-7313 or visit our online shop to check current inventory from this specific vehicle. If we have sold a part you need, our Parts Broker service can source it from our network of partner yards nationwide.

Yes! We ship parts from this vehicle and our entire inventory nationwide. Most orders ship within 1-2 business days via FedEx or freight carriers for larger components like engines and transmissions. Call (603) 392-7313 for a shipping quote on any part.

The B18A1 1.8L engine in the 1991 Integra is exceptionally reliable when properly maintained. These engines routinely exceed 250,000 miles with regular oil changes, timing belt replacements, and basic maintenance. The main weakness is the timing belt, which must be replaced every 90,000 miles as it’s an interference engine that can cause valve damage if the belt breaks. The engine is known for burning oil slightly in higher mileage examples, but this is normal and manageable. Keep up with regular maintenance including valve adjustments every 30,000 miles, use quality oil, and replace the timing belt on schedule for maximum longevity.