246+ 1991 Honda Prelude Engine & Drivetrain Si Parts - Page 3

Si · Engine & Drivetrain (216 products)

Exact-fit parts for the 1991 Honda Prelude Si.

MAHLE Original Acura Integra 01-86 Camshaft Seal

Victor Reinz

Part # 66580

Confirmed Fit

MAHLE Original Acura Integra 01-86 Camshaft Seal

$16.91

Cometic Street Pro Honda 1990-01 DOHC B18A1/B1 Non-VTEC Bottom End Kit

Cometic Gasket

Part # PRO2004B

Confirmed Fit

Cometic Street Pro Honda 1990-01 DOHC B18A1/B1 Non-VTEC Bottom End Kit

$68.01

Sealed Power

Part # 4-1825CP

Fits with Conditions

Engine Connecting Rod Bearing Set

$40.63

Cometic Honda B Series Hybrid VTEC Head/Non-VTEC Block .042in MLS Cylinder Head Gasket - 84.5mm Bore

Cometic Gasket

Part # C4241-042

Confirmed Fit

Cometic Honda B Series Hybrid VTEC Head/Non-VTEC Block .042in MLS Cylinder Head Gasket - 84.5mm Bore

$106.52

Cometic Honda B Series Hybrid VTEC Head/Non-VTEC Block .056in MLS Cylinder Head Gasket - 82mm Bore

Cometic Gasket

Part # C4191-056

Confirmed Fit

Cometic Honda B Series Hybrid VTEC Head/Non-VTEC Block .056in MLS Cylinder Head Gasket - 82mm Bore

$134.43

Skunk2 B-Series VTEC Hard Anodized Block Off Plate

Skunk2 Racing

Part # 639-05-0600

Confirmed Fit

Skunk2 B-Series VTEC Hard Anodized Block Off Plate

$78.31

Cometic Honda B Series Hybrid VTEC Head/Non-VTEC Block .120in MLS Cylinder Head Gasket - 84.5mm Bore

Cometic Gasket

Part # C4241-120

Confirmed Fit

Cometic Honda B Series Hybrid VTEC Head/Non-VTEC Block .120in MLS Cylinder Head Gasket - 84.5mm Bore

$237.54

Cometic Honda Hybrid LS/VTEC 81mm B18B w/VTEC Head .089in MLS Head Gasket

Cometic Gasket

Part # C4237-089

Confirmed Fit

Cometic Honda Hybrid LS/VTEC 81mm B18B w/VTEC Head .089in MLS Head Gasket

$144.87

Cometic Honda B Series Hybrid VTEC Head/Non-VTEC Block .098in MLS Cylinder Head Gasket - 84.5mm Bore

Cometic Gasket

Part # C4241-098

Confirmed Fit

Cometic Honda B Series Hybrid VTEC Head/Non-VTEC Block .098in MLS Cylinder Head Gasket - 84.5mm Bore

$144.87

Cometic Honda Hybrid LS/VTEC 82mm 90+ B18 w/ VTEC Head .060 inch MLS Head Gasket

Cometic Gasket

Part # C4191-060

Confirmed Fit

Cometic Honda Hybrid LS/VTEC 82mm 90+ B18 w/ VTEC Head .060 inch MLS Head Gasket

$134.43

Fel-Pro

Part # SS726321

Confirmed Fit

Fel-Pro Honda CR-V SS 72632-1 Engine Valve Stem Oil Seal Set

$32.61

Cometic Honda B18A1/B18B1/B20A3/B20A5 Camshaft Seal Set

Cometic Gasket

Part # C4709

Confirmed Fit

Cometic Honda B18A1/B18B1/B20A3/B20A5 Camshaft Seal Set

$25.68

Dayco

Part # 5050345

Fits with Conditions

POLY RIB BELT, DAYCO

$17.23

Fel-Pro

Part # TCS45718

Confirmed Fit

Fel-Pro Honda CR-V TCS 45718 Engine Camshaft Seal Kit

$10.98

Cometic Honda Hybrid LS/VTEC 81mm .036 inch MLS Head Gasket B18A/B w/VTEC Head

Cometic Gasket

Part # C4237-036

Confirmed Fit

Cometic Honda Hybrid LS/VTEC 81mm .036 inch MLS Head Gasket B18A/B w/VTEC Head

$106.52

Cometic Honda Hybrid LS/VTEC 82mm 90+ B18 w/ VTEC Head .051 inch MLS Head Gasket

Cometic Gasket

Part # C4191-051

Confirmed Fit

Cometic Honda Hybrid LS/VTEC 82mm 90+ B18 w/ VTEC Head .051 inch MLS Head Gasket

$106.52

ContiTech

Part # 4050395

Fits with Conditions

Multi-V Belt

$23.76

Dayco

Part # 5040385

Fits with Conditions

POLY RIB BELT, DAYCO

$19.07

Sealed Power

Part # 7102M

Fits with Conditions

Engine Crankshaft Main Bearing Set

$55.00

Cometic Honda B Series Hybrid VTEC Head/Non-VTEC Block .092in MLS Cylinder Head Gasket - 84mm Bore

Cometic Gasket

Part # C4193-092

Confirmed Fit

Cometic Honda B Series Hybrid VTEC Head/Non-VTEC Block .092in MLS Cylinder Head Gasket - 84mm Bore

$144.87

Frequently Asked Questions

Do these parts fit my 1991 Honda Prelude Si?

This page groups parts listed for the 1991 Honda Prelude Si. Some products fit every trim, while others depend on submodel, engine, drivetrain, or brake package. Use your trim in My Garage or the product page fitment check to confirm exact fit.

What engine & drivetrain options are available for my 1991 Honda Prelude Si?

We offer a wide selection of engine & drivetrain parts for the 1991 Honda Prelude Si. This page narrows the catalog to the year, make, and model; use your trim on product pages to confirm exact fit when a part only fits certain submodels.

What brands make parts for the 1991 Honda Prelude Si?

We carry parts from trusted brands including Cometic Gasket, King Engine Bearings, Fel-Pro, Victor Reinz, and Clevite, plus many more. Filter by brand to find your preferred manufacturer.

How fast do 1991 Honda Prelude Si parts ship?

Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.

What warranty do your 1991 Honda Prelude Si parts come with?

Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.

1991 Honda Prelude(1,042 parts)

1991 Honda Prelude(1,042 parts)

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Other Honda Prelude Years

Si · Engine & Drivetrain (216 products)

MAHLE Original Acura Integra 01-86 Camshaft Seal

Cometic Street Pro Honda 1990-01 DOHC B18A1/B1 Non-VTEC Bottom End Kit

Engine Connecting Rod Bearing Set

Cometic Honda B Series Hybrid VTEC Head/Non-VTEC Block .042in MLS Cylinder Head Gasket - 84.5mm Bore

Cometic Honda B Series Hybrid VTEC Head/Non-VTEC Block .056in MLS Cylinder Head Gasket - 82mm Bore

Skunk2 B-Series VTEC Hard Anodized Block Off Plate

Cometic Honda B Series Hybrid VTEC Head/Non-VTEC Block .120in MLS Cylinder Head Gasket - 84.5mm Bore

Cometic Honda Hybrid LS/VTEC 81mm B18B w/VTEC Head .089in MLS Head Gasket

Cometic Honda B Series Hybrid VTEC Head/Non-VTEC Block .098in MLS Cylinder Head Gasket - 84.5mm Bore

Cometic Honda Hybrid LS/VTEC 82mm 90+ B18 w/ VTEC Head .060 inch MLS Head Gasket

Fel-Pro Honda CR-V SS 72632-1 Engine Valve Stem Oil Seal Set

Cometic Honda B18A1/B18B1/B20A3/B20A5 Camshaft Seal Set

POLY RIB BELT, DAYCO

Fel-Pro Honda CR-V TCS 45718 Engine Camshaft Seal Kit

Cometic Honda Hybrid LS/VTEC 81mm .036 inch MLS Head Gasket B18A/B w/VTEC Head

Cometic Honda Hybrid LS/VTEC 82mm 90+ B18 w/ VTEC Head .051 inch MLS Head Gasket

Multi-V Belt

POLY RIB BELT, DAYCO

Engine Crankshaft Main Bearing Set

Cometic Honda B Series Hybrid VTEC Head/Non-VTEC Block .092in MLS Cylinder Head Gasket - 84mm Bore

Frequently Asked Questions

Do these parts fit my 1991 Honda Prelude Si?

What engine & drivetrain options are available for my 1991 Honda Prelude Si?

What brands make parts for the 1991 Honda Prelude Si?

How fast do 1991 Honda Prelude Si parts ship?

What warranty do your 1991 Honda Prelude Si parts come with?