Home > Exhaust Products > Mack Replacement Parts > MK-4991M

MK-4991M

REPLACES MK-4991M

MACK PIPE

MK-21698

Reg. Price: $121.75

Sale Price: $84.33

MK-2786

Reg. Price: $50.84

Sale Price: $34.29

MK-33092

Reg. Price: $101.94

Sale Price: $73.70

Abrasives
- -
  Bristle Discs
- -
  Cut Off Wheels
- -
  Flap Wheels
- -
  Grinding Burs
- -
  Grinding Discs
- -
  Grinding Points
- -
  Grinding Wheels
- -
  Sand Paper
- -
  Sanding Belts
- -
  Sanding Blocks
- -
  Sanding Pens
- -
  Surface Prep Disc Holders
- -
  Surface Prep Discs
- -
  Surface Prep Pads
- -
  Wire Brushes
Air Conditioning
- -
  Accumulators
- -
  Actuator
- -
  Adapter
- -
  Air Cylinder
- -
  Booster Pump
- -
  Brackets
- -
  Circuit Breakers
- -
  Clamps & Clips
- -
  Compressor Clutches
- -
  Compressors
- -
  Condensers
- -
  Control Cable
- -
  Drier
- -
  Electrical
- -
  Evaporator
- -
  Expansion Valves
- -
  Fans
- -
  Filters
- -
  Fittings
- -
  Heater Parts
- -
  Hose
- -
  Idler
- -
  Knobs
- -
  Louver
- -
  Manifold
- -
  Motors
- -
  O-rings/Gaskets
- -
  Orfice tubes
- -
  Radiators
- -
  Relay
- -
  Resistor
- -
  Solenoid
- -
  Switches
- -
  Tensioner
- -
  Thermostat
- -
  Tools & Accessories
- -
  Valve
Air Tools
- -
  Air Die Grinder Kits
- -
  Air Die Grinders
- -
  Air Drills
- -
  Air Engravers
- -
  Air Fittings
- -
  Air Flanges
- -
  Air Grease Guns
- -
  Air Grinders
- -
  Air Hammers
- -
  Air Impact Wrenches
- -
  Air Needle Scalers
- -
  Air Nibblers
- -
  Air Pin Stripe Removal Kits
- -
  Air Ratchets
- -
  Air Riveters
- -
  Air Sanders Polishers & Buffers
- -
  Air Saws
- -
  Air Scraper Kits
- -
  Air Screwdrivers
- -
  Air Shears
- -
  Air Tire Buffers
- -
  Air Tool Covers
- -
  Air Tool Oil
- -
  Air Tool Repair Parts
- -
  Air Windshield Knives
- -
  Chisel Retainers
- -
  Cut Off Tools
- -
  Door Skinners
- -
  Lubrication
- -
  Pinstriping_Tape
- -
  Air_Compressors
Battery Charging
Belts
Cutting Tools
- -
  Deburring Tools
- -
  Drill Bit Sets
- -
  Drill Bit Sharpeners
- -
  Drill Bits
- -
  Extractor Sets
- -
  Extractors
- -
  Hole Cutters Arbors
- -
  Hole Cutters Pilots
- -
  Hole Saws & Hole Cutters
- -
  Individual Dies
- -
  Individual Taps
- -
  Knives Saws Blades
- -
  Nut Crackers
- -
  Reamers
- -
  Stud Remover Sets
- -
  Stud Removers
- -
  Tap and Die Sets
- -
  Thread Repair Chaser & Inserts
- -
  Threading Tools
- -
  Tool Sharpeners
- -
  Tube & Pipe Cutters
- -
  Misc_Accessories
Electric Tools
- -
  Chuck Keys
- -
  Combo Kits
- -
  Die Grinders
- -
  Drill Chuck
- -
  Drills
- -
  Electric Ratchets
- -
  Engravers
- -
  Grinders
- -
  Impact Wrenches
- -
  Rotary Tools
- -
  Sanders and Polishers
- -
  Saws
- -
  Screwdrivers
- -
  Shears
Diagnostics
- -
  Amp Meters and Probes
- -
  Borescope
- -
  Breakout Boxes
- -
  Circuit Testers
- -
  Code Readers
- -
  Informational Reference
- -
  Listening Tools
- -
  Multimeters
- -
  Power Injectors
- -
  Scan Tool Upgrades
- -
  Scan Tools
- -
  Smoke Machines
- -
  Special Use Testers
- -
  Tachometers
- -
  Test Leads and Adapters
- -
  Timing Lights
Emission Products
- -
  DOC Kits
- -
  DPF Kits
- -
  Misc
Exhaust Products
Filters
Hand Tools
- -
  Bit Holders
- -
  Bit Sets
- -
  Bits
- -
  Crimpers Cutters and Strippers
- -
  Drive Handles
- -
  Extension Sets
- -
  Extensions
- -
  File Sets
- -
  Files
- -
  Hammer Handles
- -
  Hammer Tips
- -
  Hammers
- -
  Impact Driver Sets
- -
  Key Sets
- -
  Keys
- -
  Master Sets
- -
  Nut Driver Sets
- -
  Nut Drivers
- -
  Picks
- -
  Plier Sets
- -
  Pliers
- -
  Pry Bar Sets
- -
  Pry Bars
- -
  Punch & Chisel Sets
- -
  Punches & Chisels
- -
  Ratchet Set
- -
  Ratchets
- -
  Scraper Sets
- -
  Scrapers
- -
  Screwdriver
- -
  Screwdriver Sets
- -
  Socket Adapter Sets
- -
  Socket Adapters
- -
  Socket Sets
- -
  Sockets
- -
  Universal Joints
- -
  Wrench Sets
- -
  Wrenches
- -
  Drill_Bit_Sets
- -
  Displays
Hella Lighting
- -
  WARNING LAMPS
- -
  MULTIFUNCTION TAIL LAMPS
- -
  TURN / REPEATER / MARKER LAMPS
- -
  TAIL LAMPS
- -
  INTERIOR / COURTESY LAMPS
- -
  LICENSE PLATE LAMPS
- -
  BATTERY MASTER SWITCHES
- -
  SWITCHES
- -
  CONTROL UNITS
- -
  FLASHERS
- -
  ELECTRICAL INSTALLATION
- -
  REFLEX REFLECTORS
- -
  HEADLAMPS
- -
  HORNS - DISC
- -
  HORNS - COMPRESSED AIR
- -
  REVERSE LAMPS
- -
  STOP LAMPS & CHMSL'S
- -
  RELAYS
- -
  BUZZERS
- -
  MARINE LAMPS - NAV / ANCH / INTERIOR
- -
  AUXILIARY LAMP KITS
- -
  SPECIAL FUNCTION SWITCHES
- -
  MOUNTING SUPPORTS
- -
  AUXILIARY LAMPS
- -
  ELECTRIC APPLIANCES
- -
  REAR FOG LAMPS
- -
  OPTICAL WARNING LAMPS / SYSTEMS
- -
  WORK LAMPS
- -
  HORNS - TRUMPET
- -
  XENON BALLAST UNITS
- -
  BULBS
- -
  BACK-UP ALARMS
- -
  REGULATORS
- -
  OTHER SPECIALIZED ITEMS
- -
  BULB HOLDERS
- -
  OPERATING PARTS
- -
  WIRING, LEADS & CONNECTORS
- -
  STANDARD PARTS
- -
  RUBBER COMPONENTS
- -
  COVERS / BLINDS / FASTENERS
- -
  SENSORS
- -
  OTHER ELECTRIC OR PNEUMATIC PARTS A/C
- -
  COOLER- / CONDENSER BLOWERS
- -
  CONDENSER
- -
  LIQUIDS / OILS
- -
  EXPANSION VALVES / ORIFICE TUBES
- -
  FILTER
- -
  HEATER CORE
- -
  EVAPORATOR
- -
  VALVES & TUBULAR CONNECTIONS
- -
  RADIATOR
- -
  INTERCOOLER
- -
  LENSES
- -
  MARINE DECK LAMPS
- -
  BEHR THERMOT -TRONIK
- -
  SPECIAL / EXTERNAL PARTS
- -
  TIMERS
- -
  DIODE BLOCKS
- -
  OPTILUX
- -
  PIERBURG
- -
  PUMPS
Lifting & Hydraulics
- -
  Bottle Jacks
- -
  Clutch and Fly Wheel
- -
  Crane Accessories
- -
  Cranes
- -
  End Lifts
- -
  Engine Stands
- -
  Jack Stands
- -
  Lifts
- -
  Pallet Jacks
- -
  Porta Powers
- -
  Presses
- -
  Rams
- -
  Service Jacks
- -
  Transmission Jacks
- -
  Truck Ramps
- -
  Under Hoist Stand
- -
  Wheel Dollys
Lighting
- -
  Batteries
- -
  Bulbs
- -
  Flood Lights
- -
  Light Reels
- -
  Parts & Accessories
- -
  Work Lights
Measurement Tools
- -
  Angle Finders
- -
  Base
- -
  Brake Measurement
- -
  Calipers
- -
  Cylinder Bore Gauges
- -
  Dial Indicators
- -
  Feeler Gauges
- -
  Levels
- -
  Micrometers
- -
  Rulers
- -
  Specialty Measurement
- -
  Squares
- -
  Standards
- -
  Tape Measures
- -
  Torque Wrenches
Motorcycle
Oil & Lubricants
- -
  2 - Cycle Oil
- -
  Car Care
- -
  Engine Oil Additives
- -
  Fuel Treatments
- -
  Gear Oil
- -
  Grease
- -
  Heavy Duty Truck Oil
- -
  Hydraulics
- -
  Motor Oil
- -
  Motorcycle
- -
  Outdoor Line
- -
  Problem Solvers
- -
  Transmission
Shop Safety
- -
  Body Protection
- -
  Body Warmers
- -
  Burn Protection Heat Sleeves
- -
  Eye Wash Stations
- -
  First Aid Kits
- -
  Gloves
- -
  Hearing Protection
- -
  Respirators
- -
  Shoes Boots
- -
  Vision Parts & Accessories
- -
  Vision Protection
Shop Tools
- -
  Air Compressors
- -
  Air Dryers
- -
  Air Filters
- -
  Alignment Systems
- -
  Bench Grinders
- -
  Blow Guns
- -
  Brake Lathe Accessories
- -
  Brake Lathe Bits
- -
  Brake Lathes
- -
  Brooms Brushes & Squeegees
- -
  Cargo Lifting
- -
  Chain Pullers
- -
  Chemicals
- -
  Cleaners
- -
  Consumables
- -
  Cranes & Accessories
- -
  Creeper Accessories
- -
  Creeper Seats
- -
  Creepers
- -
  Degreasers
- -
  Drain Pans
- -
  Drains
- -
  Drill Presses
- -
  Drum Dollys
- -
  Epoxy Putty
- -
  Extension Cords
- -
  Filter Crushers
- -
  Floor Surface Cleaner
- -
  Fluid Containers
- -
  Fluid Evacuators
- -
  Fuel Delivery
- -
  Funnels
- -
  Gas Caddys
- -
  Glue Guns
- -
  Grease Guns
- -
  Hand Trucks
- -
  Headlight Equipment
- -
  Heat Guns
- -
  Hose Accessories
- -
  Hoses
- -
  Inverters
- -
  Load_Binders
- -
  Lubricant
- -
  Magnetic Heat Induction
- -
  Magnets Pick Up Tools
- -
  Metering Dispensing
- -
  Mirrors
- -
  Mobile Office
- -
  Odor Elimination Chemicals
- -
  Odor Elimination Systems
- -
  Parts & Accessories
- -
  Parts Washers
- -
  Parts Washers & Accessories
- -
  Platforms
- -
  Power Pulls
- -
  Pressure Washers
- -
  Pullers
- -
  Reels
- -
  Regulators & Lubricators
- -
  Sand & Bead Blasters
- -
  Shop
- -
  Shop Air Fans Heaters Coolers
- -
  Shop Seating
- -
  Slide Hammers
- -
  Slings
- -
  Steps
- -
  Stretch Cords
- -
  Tie Downs & Straps
- -
  Tips & Nozzles
- -
  Tire Changers
- -
  Towels Wipes Cloths Tissue
- -
  Tubing & Pipe Benders
- -
  Vacuum Accessories
- -
  Vacuums
- -
  Vises
- -
  Vises & Accessories
- -
  Wheel Balancers
- -
  Winches
- -
  Wire Ties
- -
  Work_Stand
- -
  Climate_Control
- -
  Battery_Chargers
Tool Storage
- -
  Benches & Tables
- -
  Bit Holders
- -
  Cabinets
- -
  Carts
- -
  Casters & Wheels
- -
  Chests
- -
  Combination Sets
- -
  Drawer Liners & Mats
- -
  Hand Tool Boxes
- -
  Lockers & Side Boxes
- -
  Misc Accessories
- -
  Socket Holders
- -
  Tool Bags
- -
  Tool Box Trays & Panels
- -
  Wrench Racks Holders
- -
  Body_Mechanical_And_Trim
- -
  Chest
Vehicle Lighting
Specialty Tools
- -
  Audio Video & NAV Systems
- -
  Battery
- -
  Body Electrical
- -
  Body Mechanical & Trim
- -
  Brake
- -
  Climate Control
- -
  Clutch
- -
  Cooling System
- -
  Drive Belts
- -
  Driveshaft & Axle
- -
  Emmission Controls
- -
  Engine Electrical
- -
  Engine Mechanical
- -
  Exhaust
- -
  Fuel Injection
- -
  Fuel System
- -
  Steering
- -
  Suspension
- -
  Test Category
- -
  Tire & Wheel
- -
  Transmission
- -
  Vehicle Specialty
- -
  Trim_and_Molding_Tools
- -
  Body_Mechanical
- -
  Door_Tools
Warning Products
- -
  Accessories
- -
  Alarms
- -
  Beacons
- -
  Camera Systems
- -
  Directional Lights
- -
  Lightbars
- -
  Minibars
- -
  Safety Directors
- -
  Utility Bars
- -
  Worklamps
Welding
- -
  Electrodes and Rods
- -
  Plasma Cutters
- -
  Soldering Flux
- -
  Soldering Guns
- -
  Torches & Accessories
- -
  Torches Handheld
- -
  Welders
- -
  Welding Helmets and Lenses
- -
  Welding Wire