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Description
1978-1988 Regal S4 Brake System Front 4301438HOFits 1978 88 GM G body Vehicles (Comes Assembled on Stock Height Spindles) Features: 2 Piece, 4 Piston, S4 Caliper Manufactured in Phoenix, AZ CNC Machined from US Sourced Forged or Billet Aluminum Powder Coated Finish Hard Anodized Aluminum Pistons, Stainless Steel Abutments and Noise Suppression Clips Dual Seals, Dust Weather & Pressure 2 Piece Slot, Drilled, Zinc Plate Rotor Specs: Applications GM G Body 78 88 Axle Front Brand Baer Brakes Caliper
Fits 1978-88 GM G-body Vehicles (Comes Assembled on Stock Height Spindles)
Features:
- 2-Piece, 4-Piston, S4 Caliper Manufactured in Phoenix, AZ
- CNC Machined from US Sourced Forged or Billet Aluminum
- Powder Coated Finish
- Hard Anodized Aluminum Pistons, Stainless Steel Abutments and Noise Suppression Clips
- Dual Seals, Dust/Weather & Pressure
- 2-Piece Slot, Drilled, Zinc-Plate Rotor
Specs:
| Applications | GM G-Body 78-88 |
|---|---|
| Axle | Front |
| Brand | Baer Brakes |
| Caliper | S4 |
| Caliper Color | Hugger Orange |
| Disc Brake Caliper (Front) Piston Quantity | 4 |
| Disc Brake Caliper (Front) Type | Fixed |
| Disc Brake Pad FMSI Number | DR1 |
| Disc Brake Rotor (Front) Construction | Vented |
| Disc Brake Rotor (Front) Outside Diameter | 11.000IN |
| Emission Code | 6 |
| Export Description | Brake Components |
| Fitment Notes | Comes Assembled on Stock Height Spindles |
| Grade Type | Performance |
| Hose Material | Stainless Steel |
| Includes Spindles | Yes, Stock Height |
| Lug Count | 5 Lug |
| Min Wheel Dia (verify using template) | 15IN |
| Product Line | 11 Inch SS4+ |
| Product Type | 11 Inch SS4+ Front Brake Kit |
| Prop 65 (C, R or CR) | CR |
| Prop 65 - Long Label | WARNING: This product can expose you to chemicals including Toluene Diisocyanate, and Nickel which are known to the State of California to cause cancer. For more information, visit www.P65Warnings.ca.gov |
| Prop 65 Yes/No | Yes |
| Rotor Thickness | 1.020IN |
| Rotor Type | 2-Piece |
| Surface Type | Slotted, Drilled & Zinc Plated |
| System Notes | Comes pre-assembled on modified stock spindles, Widens track width .400" per side |
| Template | S125A |
| Title | S4 Brake System Front |
| Wheel Lug/Bolt Pattern | 5x4.75 |
| Wheel Stud Size | M12-1.50 x 51.5mm |
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1978-1988 | Buick | Regal | |
| 1978-1987 | Chevrolet | El Camino | |
| 1978-1983 | Chevrolet | Malibu | |
| 1978-1988 | Chevrolet | Monte Carlo | |
| 1978-1981 | Oldsmobile | Cutlass | |
| 1985-1988 | Oldsmobile | Cutlass | |
| 1978-1988 | Oldsmobile | Cutlass Supreme | |
| 1978-1988 | Pontiac | Grand Prix |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
2 piece filters but perfect fit
Style: HCC2143-X
It's a 2 piece filter, which seems strange but...the 2 filters fit perfectly side by side. Both filters have a loop to help with removal for cleaning. Just installed and haven't driven or used a/c yet. Hopefully the filters breath well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 17, 2026
★★★★★ 5
Worth every penny
So far so good better than the plain cabin air filter , last longer and price is right so it’s a win win for me
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026
★★★★★ 4
Did not fit my car
Style: HCC1817-X
The product looks good and does fit a 2024 Hyundai Tucson hybrid.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 12, 2026
★★★★★ 5
Health, Eco, AND Econo friendly.
Style: HCC2128-X
40K+ miles o my 2020 Ranger. Thought I’d replace the CAF (cabin air filter.) Holy c__p. The original factory filter was clogged with dust, mesquite seeds, Palo verde droppings -YUCK. This reusable filter improved airflow immensely, plus the cabin feels fresher. Quite a bargain compared to the major brand reusable CAF (K_N) too, or pulling clogged filters, throwing them in the trash and buying a new disposable filter to install. I’m looking forward to pulling this in a month and seeing what it kept out of my breath, washing it, and reinstalling it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 23, 2025
★★★★★ 5
Great filter
Style: HCC2146-X
My husband said this filter was high-quality, he was quite impressed. We’re not crazy about the washable kind normally, so we’ll have to see how it holds up.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 29, 2026
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