Availability
Firewall Grommets
Firewall Grommet, Rubber, 3.0 in. O.D., 0.375 in. I.D., Each
Part Number: SIT-GS1003-6
Not Yet Reviewed
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Grommet Seal, Pointed, Rubber, Black Center, 3.00 in. O.D., Each
Part Number: SIT-GS1003WPT
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Firewall Grommet, Rubber, 4.500 in. Round, Split, 1.125 in Center Hole, Each
Part Number: SIT-SGS451125
Not Yet Reviewed
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Firewall Grommet, Rubber, Black, Aluminum, Round, 2.000 in. O.D., Pointed, Blank Center, Each
Part Number: SIT-GS4001WPTB
Not Yet Reviewed
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Grommet, Heater Core Pipe, Rubber, Chevy, Pontiac, with Air Conditioning, Each
Part Number: OER-3963723
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Firewall Grommet, Rubber, 4.0 in. O.D., 1.800 in. I.D., Each
Part Number: SIT-GS404-30
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Firewall Grommet, Rings, Aluminum, Machined, Round, 0.910 in. I.D., Each
Part Number: NTH-4600
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Firewall Grommet, Rubber, 3.0 in. O.D., 0.625 in. I.D., Each
Part Number: SIT-GS1003-10
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Firewall Split Grommet, 2 Piece Seal, Rubber, 3.00 in. O.D., 0.625 in. I.D., Each
Part Number: SIT-SGS3-5-625
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Firewall Grommet, Rings, Aluminum, Black Anodized, Round, Each
Part Number: NTH-4702
Not Yet Reviewed
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Firewall Split Grommet, 2 Piece Seal, Rubber, 3.00 in. O.D., 0.250 in. I.D., Each
Part Number: SIT-SGS3-5-250
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Hose Grommet, Firewall Grommet Seal, Rubber, 3.0 in. O.D., 0.250 in. I.D., Each
Part Number: FRA-999402
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Firewall Grommet, Rubber, Black, Aluminum, Round, Split Grommet, 3.000 in. O.D., Blank Center, Each
Part Number: SIT-SGS35BLB
Not Yet Reviewed
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Firewall Grommet, Rubber, 3.0 in. O.D., 0.250 in. I.D., Each
Part Number: SIT-GS1003-4
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Firewall Grommet, E-Z Firewall Brake/Clutch Boot, Rubber, Teardrop, Stainless Steel Trim Ring, Polished, Each
Part Number: JJR-JJS323419181
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Firewall Grommet, E-Z Firewall Boot, Rubber, Oval, Stainless Steel Trim Ring, Polished, Each
Part Number: JJR-JJS322530161
Not Yet Reviewed
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Firewall Split Grommet, 2 Piece Seal, Rubber, 4.50 in. O.D., 0.375 in. I.D., Each
Part Number: SIT-SGS4-5-375
Not Yet Reviewed
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Hose Grommet, Firewall Grommet Seal, Rubber, 3.0 in. O.D., 0.500 in. I.D., Each
Part Number: FRA-999404
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Firewall Grommet, Rings, Aluminum, Machined, Round, 0.780 in. I.D., Each
Part Number: NTH-4500
Not Yet Reviewed
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Firewall Grommet, Rings, Aluminum, Polished, Round, Each
Part Number: NTH-4701
Not Yet Reviewed
Estimated Ship Date: Monday 11/2/2026 if shipped by air
Estimated Ship Date: Monday 11/2/2026 if shipped by air
1978-88 Various GM Applications Including Monte Carlo, Cutlass, Regal, Grand Prix; Automatic Transmission; Flo
Part Number: OER-10002808
Not Yet Reviewed
Estimated Ship Date: Jan 27, 2027 if ordered today
Estimated Ship Date: Jan 27, 2027 if ordered today
Fire Wall Ring for Reduced Barrier AC #6 - Machined Finish
Part Number: NTH-4510
Not Yet Reviewed
Estimated Ship Date: Nov 16, 2026 if ordered today
Estimated Ship Date: Nov 16, 2026 if ordered today
Fire Wall Ring for Reduced Barrier AC #10 - Machined Finish
Part Number: NTH-4710
Not Yet Reviewed
Estimated Ship Date: Nov 16, 2026 if ordered today
Estimated Ship Date: Nov 16, 2026 if ordered today
Fire Wall Ring for Reduced Barrier AC #10 - Polished Finish
Part Number: NTH-4711
Not Yet Reviewed
Estimated Ship Date: Nov 16, 2026 if ordered today
Estimated Ship Date: Nov 16, 2026 if ordered today
Fire Wall Ring for Reduced Barrier AC #6 - Polished Finish
Part Number: NTH-4511
Not Yet Reviewed
Estimated Ship Date: Nov 16, 2026 if ordered today
Estimated Ship Date: Nov 16, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster