Refine Your Ride with Precision Fittings
Experience exceptional Fittings that perfect every connection on your car. At HD Werks, our JDM collection delivers innovative design and precision engineering for aftermarket upgrades. Every fitting is engineered to meet the highest standards, channeling the spirit of Japanese craftsmanship and racing performance. Explore reliable designs and trusted parts that bring your ride together flawlessly. Our range offers both original and custom options tailored to your needs. Enjoy performance, JDM, accessories, custom, genuine quality with our premium Fittings selection.
Skip to product grid
-
-$4.51
Vendor:VibrantVibrant -8AN Female to 1/2in Tube Adapter Fitting (w/ Brass Olive Insert)
Regular price $12.99Regular price$17.50-$4.51 Sale price $12.99 -
-$4.51
Vendor:VibrantVibrant -8AN Female to 0.375in Tube Adapter Fitting (w/Brass Olive Insert)
Regular price $12.99Regular price$17.50-$4.51 Sale price $12.99 -
-$4.00
Vendor:VibrantVibrant -6AN Female to 3/8in Tube Adapter Fitting (w/ Brass Olive Insert)
Regular price $11.99Regular price$15.99-$4.00 Sale price $11.99 -
-$4.00
Vendor:VibrantVibrant -6AN Female to 5/16in Tube Adapter Fittings with Brass Olive Insert
Regular price $11.99Regular price$15.99-$4.00 Sale price $11.99 -
-$4.00
Vendor:VibrantVibrant -4AN Female to 1/4in Tube Adapter Fittings (w/ Brass Olive Insert)
Regular price $11.99Regular price$15.99-$4.00 Sale price $11.99 -
Sold out
Vendor:VibrantVibrant Inverted Flare to AN Adapter -6AN Inverted Flare 7/16in -24
Regular price $9.99Regular price$13.50-$3.51 Sale price $9.99 -
-$4.00
Vendor:VibrantVibrant Inverted Seat Adapter Fitting (-8AN x 5/8in-18) Aluminum
Regular price $10.99Regular price$14.99-$4.00 Sale price $10.99 -
-$3.51
Vendor:VibrantVibrant Inverted Seat Adapter Fitting (-6AN x 11/16in-18) Aluminum - Black
Regular price $9.99Regular price$13.50-$3.51 Sale price $9.99 -
-$3.00
Vendor:VibrantVibrant Inverted Seat Adapter Fitting (-6AN x 5/8in-18) Aluminum
Regular price $8.99Regular price$11.99-$3.00 Sale price $8.99 -
-$3.00
Vendor:VibrantVibrant Inverted Seat Adapter Fitting (-6AN x 1/2in-20) Aluminum
Regular price $8.99Regular price$11.99-$3.00 Sale price $8.99 -
Sold out
Vendor:VibrantVibrant Inverted Flare to AN Adapter -6AN Inverted Flare 5/8in-18
Regular price $8.99Regular price$11.99-$3.00 Sale price $8.99 -
-$3.00
Vendor:VibrantVibrant Inverted Flare to AN Adapter -6AN Inverted Flare 1/2in-20
Regular price $8.99Regular price$11.99-$3.00 Sale price $8.99 -
-$17.00
Vendor:VibrantVibrant -16AN Male Flare Check Valve
Regular price $62.99Regular price$79.99-$17.00 Sale price $62.99 -
-$16.00
Vendor:VibrantVibrant One Way Check Valve -12AN Piston Style
Regular price $53.99Regular price$69.99-$16.00 Sale price $53.99 -
-$15.00
Vendor:VibrantVibrant -10AN Male Flare One Way Check Valve
Regular price $44.99Regular price$59.99-$15.00 Sale price $44.99 -
-$14.51
Vendor:VibrantVibrant One Way Check Valve w/-8AN Male Flare Fittings
Regular price $43.99Regular price$58.50-$14.51 Sale price $43.99 -
Sold out
Vendor:VibrantVibrant -6AN Piston Style One Way Check Valve
Regular price $43.99Regular price$58.50-$14.51 Sale price $43.99 -
-$6.00
Vendor:VibrantVibrant Soft Mount Vacuum Line Fitting Assembly (for inserting into silicone connectors)
Regular price $16.99Regular price$22.99-$6.00 Sale price $16.99 -
-$2.80
Vendor:VibrantVibrant BSPT Adapter Fitting -10 AN to 3/4in -14
Regular price $8.99Regular price$11.79-$2.80 Sale price $8.99 -
-$2.80
Vendor:VibrantVibrant BSPT Adapter Fitting -10 AN to 1/2in -14
Regular price $8.99Regular price$11.79-$2.80 Sale price $8.99 -
Sold out
Vendor:VibrantVibrant BSPT Adapter Fitting -8 AN to 1/2in -14
Regular price $7.99Regular price$10.99-$3.00 Sale price $7.99 -
-$2.51
Vendor:VibrantVibrant BSPT Adapter Fitting -8 AN to 3/8in -19
Regular price $7.99Regular price$10.50-$2.51 Sale price $7.99 -
Sold out
Vendor:VibrantVibrant BSPT Adapter Fitting -8 AN to 1/4in -19
Regular price $7.99Regular price$10.50-$2.51 Sale price $7.99 -
Sold out
Vendor:VibrantVibrant BSPT Adapter Fitting -6 AN to 1/2in -14
Regular price $7.99Regular price$10.50-$2.51 Sale price $7.99 -
Sold out
Vendor:VibrantVibrant BSPT Adapter Fitting -6 AN to 3/8in -19
Regular price $7.99Regular price$10.50-$2.51 Sale price $7.99 -
-$2.51
Vendor:VibrantVibrant BSPT Adapter Fitting -6 AN to 1/4in -19
Regular price $7.99Regular price$10.50-$2.51 Sale price $7.99 -
Sold out
Vendor:VibrantVibrant BSPT Adapter Fitting -6 AN to 1/8in -26
Regular price $7.99Regular price$10.50-$2.51 Sale price $7.99 -
-$2.00
Vendor:VibrantVibrant BSPT Adapter Fitting -4 AN to 1/4in -19
Regular price $6.99Regular price$8.99-$2.00 Sale price $6.99 -
-$2.00
Vendor:VibrantVibrant BSPT Adapter Fitting -4 AN to 1/8in -28
Regular price $6.99Regular price$8.99-$2.00 Sale price $6.99 -
-$2.00
Vendor:VibrantVibrant BSPT Adapter Fitting -3 AN to 1/8in -28
Regular price $6.99Regular price$8.99-$2.00 Sale price $6.99 -
-$7.00
Vendor:VibrantVibrant 6 ORB to 1/8 NPT Aluminum Drain Valve
Regular price $21.99Regular price$28.99-$7.00 Sale price $21.99 -
-$7.00
Vendor:VibrantVibrant 10 ORB to 1/8 NPT Aluminum Drain Valve
Regular price $21.99Regular price$28.99-$7.00 Sale price $21.99 -
-$7.00
Vendor:VibrantVibrant 8 ORB to 1/8 NPT Aluminum Drain Valve - Black
Regular price $21.99Regular price$28.99-$7.00 Sale price $21.99 -
-$5.00
Vendor:VibrantVibrant -8AN to 1/2in Hose Barb 90 Degree Adapter - Anodized Black
Regular price $14.99Regular price$19.99-$5.00 Sale price $14.99 -
-$5.00
Vendor:VibrantVibrant -8AN to 3/8in Hose Barb 90 Degree Adapter - Anodized Black
Regular price $14.99Regular price$19.99-$5.00 Sale price $14.99
