This is the place to find information on replacement parts of sub-standard quality that have failed in service, been a misfit, or are otherwise not suitable for use. If you have any additional information on problem replacement parts (MGA applications only) please send pictures or other documentation to me, and I will endeavour to post it on these pages. Any reports on updates or correction of these parts problems are also welcome.

QA-101 - Moss Motors Ltd on QUALITY ASSURANCE, and how to report a problem with a Moss part.
QA-102 os - Moss Motors Ltd on QUALITY - (forum deleted from Moss web site)

FT-117 - "Lucas" branded Battery CUT-OFF SWITCH fails
FT-116 - BRASS FLOAT For Carburetor Leaks and Sinks
FT-115 - SPRING WASHER for Carburetor Linkage too small
FT-114 - CLUTCH RELEASE BEARING, MGB Aftermarket Soft Carbon
FT-113 - Door WOOD BATTEN is Too Thin
FT-112 - Exhaust Flange Gasket, Too Small
FT-111 - HARDI 13312 Fuel Fump (aftermarket), Bad Diaphragm
FT-110 - Oil Pressure Signal Hose - Wrong Thread
FT-109 - FUEL TANK Does Not Fit - (Filler Neck in wrong location)
FT-108 - Headlight TRIM RING Does Not Fit - (BUCKET oversize)
FT-107 - TAPPETS not properly machined for Top Socket
FT-106 - 4-inch AIR HOSES for Heater (and Carburetor Vent) Are Undersized
FT-105 - BORG & BECK Pressure Plate interferes with bellhousing
FT-104 - LED "Bulbs" for Driving Lamps Faulty
FT-103 - START and CHOKE Control Cables Poor Quality
FT-102 - HEATER VALVE, Premature Failure
FT-101 - WHEEL BEARING SPACER, Too short
FT-100 - RADIATOR HOSE, Too Stiff or Too Weak
FT-099 - STIFFENER BAR, Door Panel, Does Not Fit
FT-098 - FRONT BRAKE ROTOR, Twin Cam, Does Not Fit
FT-097 - Chassis SIDE CLOSURE PLATES, Do Not Fit
FT-096 - FRONT BRAKE DRUM Does Not Fit (With Wire Wheels)
FT-095 - EXHAUST SYSTEM Misaligned
FT-094 - BRAKE SHOES That Are TOO SMALL
FT-093 - WATER PUMP for MGB "G-GA" Engine, bad configuration
FT-092 - CLUTCH RELEASE BEARING Bad When New
FT-091 - REPLACEMENT RADIATOR Faults
FT-090 - RUBBER SEAL For Coupe Rear Window, Incorrect Shape
FT-089 - TIMING CHAIN TENSIONER Fails
FT-088 - LIGHTING SWITCH FAILS and Low Quality
FT-087 - DRAIN COCKS for Engine Block and Radiator LEAK
FT-086 - FELT OIL FILTER Destroys Engine With Failure
FT-085 - WIPER ARM SPLINES Not As Original
FT-084 - WIPER DRIVE SPINDLE SPLINES Not As Original
FT-083 - MASTER CYLINDER CASTING, Leaks
FT-082 - REAR SPLINED HUBS Do Not Fit
FT-081 - FRONT SLAVE CYLINDER Early Failure
FT-080 - PLASTIC COOLING FANS that Break
FT-079 - Brake Shoe ANTI-RATTLE SPRING Hook Too Long
FT-078 - DASH LAMP RHEOSTAT (P-switch) Wrong Configuration
FT-077 - SPRING PANS Too Narrow - Safety Hazard
FT-076 - DOOR LATCH PARTS Wrong Size - Safety Hazard
FT-075 - BONNET BUFFER is Too Short
FT-074 - THROTTLE PEDAL BRACKET, RHD, Wrong Hole Size
FT-073 - DOOR HINGE, Loose Hinge Pin
FT-072 - CRANKSHAFT Bad Machining, Spigot Bushing Hole
FT-071 - BRAKE LIGHT SWITCHES Fail with Burned Contacts
FT-070 - BUMPER FACE BARS And OVER-RIDERS, Bad Fit
FT-069 - HEATER CONTROL, Wrong Geometry
FT-068 - BAD RUBBER Boots on Tie Rod Ball Ends
FT-067 - PUSH RODS, Break At Top End
FT-066 - Fuel Level SENDER UNIT Has Incorrect Range
FT-065 - SNAP RING For Layshaft Bearings Is Too Large (fixed)
FT-064 - VACUUM UNIT Has Non-original Thread
FT-063 - DIPPER SWITCH Shorts To Ground. - Safety Hazard
FT-062 - PIVOT PIN For Spare Tire Hold-Down Clamp Too Short
FT-061 - TEMPERATURE SENDER Nut And Bulb Flange Incorrect
FT-060 - STEERING RACK SEAL (Boot/Gaiter) End Clamps Do Not Fit
FT-059 - COOLING FAN Wrong Pitch
FT-058 - SYNCHRONIZER RINGS Out Of Round
FT-057 - BAD CONDENSER (Mallory)
FT-056 - BAD RUBBER - Rebound Buffer
FT-055 - BAD RUBBER - Swivel Link Seals
FT-054 - SPOKES for Wire Wheels - Too Large
FT-053 - Master Cylinder RUBBER SEALS - Too Large
FT-052 - DOOR LATCH STRIKER PLATES - Incorrect Form
FT-051 - FOG LAMP BRACKETS - Do Not Fit - (Continuing)
FT-050 - LAYSHAFT - Undersize or Too Soft - (good part now available)
FT-049 - SPARK PLUG CAPS Fall Apart
FT-048 - LUGGAGE RACK - Packaged With Incorrect Fasteners
FT-047 - CLUTCH PEDAL - Insufficient Travel
FT-046 - MASTER CYLINDER Will Not Release Residual Pressure
FT-045 - DISTRIBUTOR CAP SCREWS - Incorrect Design
FT-044 - REAR WHEEL CYLINDER Doesn't Fit.
FT-043 - EXPLODING Ignition Coils (Lucas Sport Coil)
FT-042 - LAYSHAFT BEARINGS with Small Rollers
FT-041 - COWL VENT for MGA - To Much Crown
FT-040 - OIL COOLER, Wrong Port Spacing. (modify the mating part)
FT-039 - INCORRECT PIPING for Wings (Fenders)
FT-038 - INCORRECT SPRING for Shift Detents
FT-037 - FUEL PUMP Failure
FT-036 - WEAK STUDS and BOLTS
FT-035 - ENGINE MOUNT with SOFT STUDS
FT-034 - Fuel Level SENDING UNIT Does Not Fit -- (resolved)
FT-033 - GRILLE BADGE Breaks
FT-032 - Aluminum Piston in CLUTCH SLAVE CYLINDER
FT-031 - DASH SWITCH - Bad Mounting Dimensions
FT-030 - Repair Piece, INNER REAR FENDER, Bad Form
FT-029 - SOFT STEEL WASHER For Head Bolts
FT-028 - FUSES With NO LABEL
FT-027 - THRUST WASHERS & SEAL SUPPORTS - Front Susp. Trunions
FT-026 - SPIN-ON ADAPTER - Oil FIlter Will Jam. (inspect every filter)
FT-025B - PLINTH PAD, MGA 1600 - Too Small but can be Fixed
FT-025A - PLINTH PAD, MGA 1600 - Too Small
FT-025 - PLINTH PAD, MGA 1600 - Too Large (fixed)
FT-024 - REAR COCKPIT RAIL incorrect alignment. (requires modification)
FT-023 - BAD REBOUND STRAPS and rear leaf springs.
FT-022 - BAD RUBBER - Front Suspension A-arm Bushings
FT-021 - Master Cylinder REBUILD KIT front seal. (aftermarket piston)
FT-020 - BAD RUBBER - Grommet for carb float bowl. (fixed)
FT-019 - BAD BULB HOLDERS - wiring harness. (you can fix it)
FT-018 - BAD RUBBER - Swivel Link Seals. (fixed, but check your parts)
FT-017 - SILENTBLOC BUSHING is Too Short. (interim fix)
FT-016 - Bootlid RUBBER SEAL does not fit properly. (fixed)
FT-015 - Ragtop FRONT WOOD BOW does not fit properly.

FT-014 - FRONT COCKPIT RAIL rubber strip too thin.
FT-013 - Repro "Lucas" PL700 TRIPOD HEADLAMPS - poor quality.
FT-012 - TURN SIGNAL JEWEL Has Wrong Thread. (new lamp "kit" works)
FT-011 - OIL PIPE ADAPTER FITTING does not fit. (this has been fixed)
FT-010 - STEERING U-JOINT snap rings do not fit. (this has been fixed)
FT-009 - GEARBOX MOUNT Doesn't Fit. (this has been fixed)
FT-008 - OIL DEFLECTOR does not fit with VALVE COLLAR. (do not use)
FT-007 - Misfit REAR HUB O-RINGS. (part numbers corrected).
FT-006B - Another poor fit VELAS windscreen glass. (use a different part)
FT-006 - Not so PERFECT GLASS windscreen. (use a different part)
FT-005 - Soft MANIFOLD STUDS stripping threads. (this has been fixed)
FT-004 - MGA STARTER SWITCH failure mode analysis. (need more feedback)

os FT-003B - Broken ALLOY VALVE SPRING CAP on an MGB. (new source)
FT-003 - Broken ALLOY VALVE SPRING CAPS for engine valves. (new source)
FT-002 - Malformed PARKING LAMP HOUSINGS - MGA 1500. (final fix)
FT-001 - Failed 3-Piece TUBULAR PUSHRODS from Crane Cams.