Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Availability
66 Results Found For "cap"
Showing In Stock Items. Show All 74 Items.
Spectre Performance Valve Cover Oil Fill Caps
Spectre valve cover oil fill caps are designed to be pushed into your standard 1.25 in. valve cover breather hole. They include a rubber grommet and can be installed in just seconds. The caps are available in your choice of steel or aluminum, so you can match up what's best for your engine style.
( 29 )
$8.99
—
$9.99
BTR Main Cap Fasteners
Brian Tooley Racing offers main cap fasteners for a variety of Chevy small block engine applications from 1997 and up. These bolts are used to secure the main bearing caps to ensure proper operation of the crankshaft. The fasteners are stock replacement bolts for Gen III and Gen IV LS engines, available with or without a windage tray provision.
Not Yet Reviewed
$3.99
Trans-Dapt Performance Chrome Oil Caps
Trans-Dapt chrome and rubber oil caps are designed for use on a wide range of car and truck applications. They are available in plain and with the "OIL" logo. No grommet is required for installation.
( 6 )
$7.99
Chevrolet Performance Main Cap Fasteners
Keep your main caps secure with a set of Chevrolet Performance main cap fasteners. They are made from quality OEM materials and are built to strict tolerances to ensure a direct fit. You don't ever want to have a failure in your engine's rotating assembly. Pick up Chevrolet Performance main cap fasteners for maximum reliability.
( 6 )
$5.99
—
$9.99
Proform Oil Filler Caps for Chevrolet
These Proform oil filler caps are available two different ways: A push-in style with an embossed Bowtie to complement the genuine factory-parts appearance of the engine; and a twist-on style with a large white-on-blue, epoxy-coated GM emblem in the center. Either one is sure to get your attention.
( 41 )
$6.99
Crown Automotive Oil Filler Caps
Crown Automotive oil filler caps are OE-style replacement parts for your Jeep. They are available to fit most Jeep and some Dodge/Chrysler applications.
( 3 )
$3.99
—
$7.99
Clearance
Dorman Oil Filler Caps
Dorman oil filler caps are constructed with durable rubber to provide a tight, heat-resistant seal for the valve cover. They effectively prevent debris from entering into the engine oil, helping to protect the engine from damage and ensuring engine longevity. These Dorman direct-fit oil filler caps are easy to install, and most (depending on application) are clearly marked with raised letters for quick identification under your hood.
( 7 )
$13.99
$5.50
—
$9.50
Rein Automotive Engine Oil Filler Caps
Rein Automotive engine oil filler caps fit European vehicles the way the original manufacturer intended. Designed to be direct replacement for the OE cap, these quality replacements are made to match or exceed the OE materials used and are produced to the highest standards to ensure long service life. Order the recommended replacement to fit your application.
Not Yet Reviewed
$7.99
—
$8.99
Crown Automotive Main Cap Fasteners
Crown Automotive main cap fasteners are durable steel construction. The components in your engine are only as strong as the fasteners holding them together. Some of the most stressed-out parts of an engine are the relatively inexpensive nuts and bolts that hold it all together. Crown Automotive offers a selection of high-quality fastener parts for replacement of snapped or worn parts. Order the main cap fasteners designed for your engine application.
( 1 )
$3.99
Edelbrock Main Cap Dowel Pins
Edelbrock offers main cap dowel pins for a variety of LS-based engine applications. The pins are designed to locate the main caps to the block on an RHS race engine.
Not Yet Reviewed
$9.95
Manley Valve Tip Wear Caps
Manley valve tip wear caps protect the tip of your valve stem in high-rpm engines. They are constructed from 4140 heat-treated alloy steel, strong enough to handle harsh racing conditions.
( 19 )
$3.61
Beck/Arnley Oil Filler Caps
Beck/Arnley oil filler caps supply an OE-fit to keep oil clean. If your cap is not sealing properly, it needs to be replaced. You can count on the selection of Beck/Arnley oil filler caps to deliver the proper fit and performance to maintain the lifeblood of your engine.
( 1 )
$5.99
—
$9.99
Edelbrock Main Cap Washers
Edelbrock offers main cap washers for engine block and cylinder head applications. These hardware components come standard with the purchase of Edelbrock race blocks, but are also available separately as replacements for worn or damaged originals.
Not Yet Reviewed
$4.95
—
$8.95
URO Parts Engine Oil Filler Caps
URO Parts manufactures their engine oil filler caps to OEM dimensions and specs for easy installation. The quality materials they use resist engine heat and the harsh, pressurized lubricating system environment. Most of these replacements come from the same facilities as many well-known and much costlier European brands. That translates into reliability and savings for URO customers shopping for a new engine oil filler cap. They're available for a variety of Land Rover, BMW, Audi, VW, Chrysler, Dodge, Freightliner, Maybach, and Mini Cooper models from 1968 and up.
Not Yet Reviewed
$2.99
—
$6.99
BTR Cam Gear Bolt and Main Cap Fasteners.
Brian Tooley Racing offers stock replacement steel cam gear bolt and main cap fasteners for a variety of Gen III and Gen IV LS engine applications—as well as certain kits for Gen V LT engines. The cam bolts secure the camshaft gear (sprocket) to the camshaft, with a reduced head size for easier installation; while the main cap fasteners are bolts used to attach the main bearing caps to the engine block, which hold the crankshaft firmly in place and are critical for proper crankshaft operation. BTR hardware is sold individually; 10 are needed for main caps, three needed for cam gear.
Not Yet Reviewed
$2.99
Summit Racing™ Valve Cover Oil Fill Caps
Dress up your engine compartment while keeping oil in its place and the dirt at bay with Summit Racing™ valve cover oil fill caps. They're manufactured from high-quality material, providing a proper fit and seal to prevent oil loss. These round, steel caps are available to fit a variety of applications, including GM, Mopar, Ford, AMC, Jeep, and other make/model vehicles. Whatever your part needs, chances are Summit Racing™ has it!
( 39 )
$4.99
AFR Valve Lash Caps
In today's higher rpm engines, the tip of the valve stem is subjected to tremendous abuse. The best solution to this problem is AFR's valve lash caps. These hardened caps are precision-machined and ground perfectly flat to maintain accurate valvetrain adjustment. They are available in multiple diameters. Select the valve lash cap designed for fitment on your application.
Not Yet Reviewed
$5.99
MotoRad Oil Filler Caps
MotoRad produces these oil filler caps for nearly every domestic and import vehicle on the road today. MotoRad is the leading supplier of oil filler caps for both the original equipment market and the automotive aftermarket, ensuring you of a quality product.
( 1 )
$2.99
—
$9.99
Trans-Dapt Performance Oil Fill Caps
These oil fill caps from Trans-Dapt are a great looking way to add some class under the hood while topping-off your oil system. They're available in a variety of styles and finishes to suit your needs.
( 17 )
$4.99
—
$6.99
On Sale
Mr. Gasket Chrome Oil Filler Caps
Replace your old oil filler cap with a chrome plated cap from Mr. Gasket. They are available in a variety of attachment styles to suit your needs, and they add a fresh look under the hood.
( 18 )
$11.95
$6.73
Summit Racing™ Chrome Valve Cover Fill Plugs
These push-in fill plugs are a great way to add some shine to your engine. They'll keep dirt and debris from entering your crankcase. They're chrome plated and fit all OEM and aftermarket valve covers with a 1.25 in. hole.
( 10 )
$7.99
COMP Cams Valve Lash Caps
In today's higher rpm engines, the tip of the valve stem is subjected to a tremendous pounding. The best solution to this problem is COMP Cams' lash caps. These hardened lash caps are precision-machined and ground perfectly flat, to maintain accurate valvetrain adjustment.
( 33 )
$8.95
—
$9.95
Milodon Valve Cover Oil Plugs
Get a proper seal to your valve cover with Milodon valve cover oil plugs. These rubber caps are a durable way to top-off your valve cover.
( 5 )
$7.95
ACDelco GM Genuine Parts Engine Oil Fill Caps
ACDelco GM Genuine Parts engine oil fill caps provide the perfect OE replacements without breaking your budget. They are designed, engineered, and tested to rigorous standards, and are backed by General Motors. Choose the cap style designed for fitment on your particular engine block.
( 14 )
$9.99
