Raybestos MC391080 Brake Master Cylinder
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Raybestos MC391080 Limited Supplier Warranty
Professional Grade™ hydraulic brake master cylinders use both aluminum and iron castings for an exact match to the original equipment design. Technically advanced components ensure safe and reliable braking, so your customers can be certain that their replacement brakes will perform as good as the original equipment. Professional Grade™ master cylinders have a smoother bore finish than a typical economy master cylinder. The rougher finish of the economy master cylinder bore can cause premature wear of the rubber seals, which can lead to loose pieces of rubber entering and compromising the ABS system. Inferior rubber components, as they deteriorate and flake off, can also lead to expensive ABS repairs. Only high quality EPDM (Ethylene Propylene) and SBR (Styrene Butadiene) rubber compounds are used when manufacturing a Professional Grade™ master cylinder. The bleeder screws of Professional Grade™ master cylinders are hardened utilizing a durable Trivalent coating to prevent corrosion. All Raybestos(R) brand hydraulic brake master cylinders and components meet or exceed OE performance and meet the reliability and performance requirements of SAE J1153 and J1154.
Features & Benefits
- Dependable operation and leak-free performance: 100 percent pressure tested; meet sae j1153 and j1154 requirements for reliability and performance
- Technically advanced components ensure safe and reliable braking
- Bore size and finish matches oe: prevents fluid bypass, which can cause loss of hydraulic pressure; extended service life
- New piston assembly and return spring: prevents brake drag, which can overheat the caliper and rotor; increased pad life
- Epdm and sbr rubber components: meet sae specs and are compatible with brake fluid; resist heat, corrosion and leakage
- Hardened zinc dichromate bleeder screws: trivalent coating; extra protection, added durability and longer service life
- Materials and design match oe: vehicle specific designs (cast iron or aluminum); no stress on the brake booster mounting
- Limited Supplier Warranty
Specifications
| Model | Limited Supplier Warranty |
| Weight | 1 lb |
| Dimensions | 13.25 x 9 x 5.5 in |
| Brand | Raybestos |
| Manufacturer Part Number | MC391080 |
| UPC | 829352788691 |
Frequently Asked Questions
How do I verify fitment before ordering?
Compare manufacturer part number MC391080 against your existing part and your vehicle or equipment. Contact us with your make, model, and year if you need help confirming compatibility.
How much does this product weigh?
This item weighs approximately 1 lb.
Shipping & Returns
Shipping & Returns
Shipping:
Most qualifying in-stock orders are processed within one business day. In the contiguous 48 states, eligible in-stock orders placed before 12:00 PM (noon) in the customer's local time zone typically ship the same business day. Orders shipping to Alaska or Hawaii use a 12:00 PM Pacific Time cutoff (California time). These cutoffs apply only to eligible in-stock orders and are not guaranteed shipping or delivery times. Same-day shipping refers to processing and carrier handoff, not delivery. Weekends and holidays are excluded.
Payment verification, address verification, fraud review, and inventory availability may take longer. Supplier-direct fulfillment, freight shipping, and special handling may also take longer.
Returns:
Eligible products may be returned within 60 days of delivery, subject to our Return Policy. Return authorization is required. Certain products are final sale or subject to manufacturer warranty procedures, shipping charges, and applicable restocking fees.
Please inspect your order promptly upon delivery. Shipping damage, incorrect items, missing components, or quantity shortages must be reported within 3 business days after delivery. Retain the product, original packaging, shipping labels, and photographs while your claim is reviewed.
