Model 341 distinctives:

Bodies

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  1926 Cadillac

• The open cars were transferred to the "Custom" line with the 3505mmwheelbase; except the Roadster, which retained the 3353mm wheelbase.
• The two-passenger "Custom" Coupe was transferred to the Standard line, keeping the 3353mm wheelbase.
• A window was added in the rear quarter.
• The coach was renamed Brougham.
• The Landau Sedan, Limousine, and Town Brougham were dropped.
• The semi-commercial chassis now had a 3810mm wheelbase.
• Cadillac offered funeral coaches and an ambulance (bodies by Superior) plus an armored car.
• The body featured a narrower, higher radiator with thermostatically controlled shutters.
• A moto-meter came on the "Custom" cars.
• There was a greater distance from the radiator to the windshield.
• The long sweeping front fenders contained battery and tool boxes.
• All cars had a one piece windshield.
• On open cars, the windshield swung from a pivot at top.
• Closed cars had a vertical "V-V" windshield.
• There were fourteen louvers to the rear of the hood.
• A new nickel plated radiator shell with emblem was set on a badge shaped background.
• All front doors were now hinged at the windshield post.
• There were no side lights.
• New drum shaped headlights contained a parking bulb plus a double filament bulb for tilting beam.
• A small (229mm) drum was on the Standard line and a large (254mm) drum was on the "Custom" line.
• The rear lamp was placed on the left fender instead of on tire carrier.
• The "Custom" line had bumpers.
• The motor driven horn was attached to the left hand headlight bracket instead of the intake manifold.
• As of end of 1925, the "Custom" closed bodies once more had the sloping (V-V) windshield. (More angle than on 1924-25 V-63). Triangular side glass wings were added ahead of the windshield posts.
• In the spring of 1926, the battery and tool boxes moved from front fenders back to a location behind running board dust shields on chassis unit number 1-25000.
• Mid-year 1926, the Cabriolet (leather backed) version of the "Custom" closed cars were added to the line.
• By June, 1926, the "Custom" Touring was available on order with fender wells, six wire wheels, and a trunk rack for $360 extra.

Chassis

• The rear springs were now semi-elliptic with ball and socket rear shackles.
• The spring seats no longer oscillate on rear axle housing.
• Spring covers came on the "Custom" line.
• The torque arm was relocated from the right to the left side and connected to the frame through a fabric hanger.
• The radiator was now cellular instead of tube and plate, and a second radiator was added to the cowl brace.
• Balloon tires were mounted on split rims with no side rings.
• Brake drums were bell shaped to give clearance for balloon tires.
• Watson stabilators replaced Gabriel snubbers.
• "American" ("National") threads replace special (Cadillac) threads.
• The chassis weight was reduced by 119.5 kg (59 kg of this in engine weight reduction).
• In the spring of 1926, at Steering Gear Unit Number 1-23500, steering changed from worm and sector type to split nut type.

Drive Line

• Axle shafts have 14 drive teeth instead of 6 lugs.

Engine

• A crankcase ventilation system was introduced to eliminate dilution and condensation (this feature was used on the last 2000 V-63's).
• An oil filter was added.
• The oil level indicator was located on the right side of the crankcase instead of inside the Vee.
• The oil filter cap was a screw type instead of being hinged.
• The camshaft bearings fed full oil pressure, not overflow from the regulator.
• The rocker arms were eliminated.
• The valves and tappets were placed at an angle to the cylinder bores to line up directly with the cams.
• A single water pump was located at the left.
• A detachable water elbow was located on the cylinder heads.
• An oil pump was located at right front corner of the crankcase, in place of second water pump.
• Both the oil and water pumps were driven directly from the cross-shaft.
• The starter and generator were separate units for first time on Cadillacs.
• The starter was vertical at the top of the flywheel housing, driving through teeth on the rear face of the flywheel.
• The generator was in front, in the Vee.
• Generator/fan was driven by a belt, eliminating one chain.
• Tension on single chain was maintained by an idler sprocket.
• The front cover of the engine was made of steel instead of aluminum.
• The intake manifold was now a separate piece.