Craftsman CMXGMAM2703841 gas lawn mower Parts

The model number for this Craftsman gas walk-behind mower is CMXGMAM2703841. Use that exact model number when ordering parts like a blade, belt, or grass bag so you get the correct fit for your mower.

Where to find the model number on the mower

On most Craftsman walk-behind mowers, the model and serial tag is commonly found in one of these spots:

• On the rear of the deck near the discharge opening
• On the back flap area (rear skirt) near the bagging opening
• On the top of the deck near the engine mounting area
• On the handle bracket area near the deck

Why the exact model number matters

Craftsman mower families can look similar, but parts can vary by deck design, drive system, and hardware. Using CMXGMAM2703841 helps match the correct components for your specific build.

Examples of parts that can differ by model

• Drive belt length and width (self-propelled drive)
• Blade center hole pattern and adapter style
• Control cable length and end fittings
• Wheel size and hub style
• Bag frame shape and mounting points

Quick parts cross-check (common items)

If you are confirming you are on the right parts list for CMXGMAM2703841, these are examples of parts shown for this model:

Part type	Example part name	Example identifier
Grass bag	Lawn mower grass bag	Lawn mower grass bag 664P05322A
Air filter	Engine air filter	951-15245
Mulching blade	21-in deck mulching blade	942-0741A

If your tag is hard to read

• Wipe the label with a damp cloth and mild soap; avoid harsh solvents
• Take a close-up photo and zoom in to read characters
• Match every character exactly (letters, numbers, and any dashes)

Helpful reference

If you need help locating the tag, use how to find your appliance model number (and what it means for parts).

Why it matters: A single character difference can point to a different deck or drive setup, which changes which Craftsman and MTD parts fit correctly.

Last updated: January 2026

Common problems on the Craftsman CMXGMAM2703841 gas lawn mower include hard starting, rough running, poor cut quality, weak self-propel drive, and bagging or mulching issues. Most fixes come down to basic maintenance (fuel, air, blade, belt) and correcting worn drive or deck components.

Most common symptoms and what usually causes them

• Won’t start or starts then dies: old fuel, dirty air filter, fouled spark plug, restricted carburetor
• Runs rough or surges: stale fuel, partially clogged carburetor, dirty air filter
• Cuts uneven or leaves strips: dull/bent blade, deck packed with wet grass, incorrect cutting height, worn wheels
• Self-propel is weak or won’t pull: stretched/worn drive belt, misadjusted or stretched drive cable
• Poor bagging or clumping: overgrown/wet grass, clogged deck, damaged bag or frame, missing mulching plug

Parts on this model that commonly solve these issues

If your symptoms match, these parts are frequently involved on CMXGMAM2703841:

• Replace a clogged filter with the engine air filter 951-15245
• Restore drive performance with the lawn & garden equipment belt 954-04260
• Improve cut quality with a correct 21-inch blade (match your current blade style and mounting)

Quick checks before you buy parts

1. Drain old fuel and refill with fresh gasoline (use fuel stabilizer if stored).
2. Inspect and clean under the deck (disconnect the spark plug wire first).
3. Check the blade for dullness, bends, or heavy nicks.
4. Verify the drive cable moves the transmission/drive arm fully when engaged.
5. Look for worn wheels or a deck packed with debris that changes cutting height.

Symptom-to-fix guide

Symptom	Most likely fix	Common related part
Hard starting	Fresh fuel, tune-up	Air filter
Uneven cut	Clean deck, sharpen/replace blade	Blade, wheels
No self-propel	Inspect belt and cable	Drive belt, drive cable
Poor bagging	Clear chute, check bag/frame	Grass bag, bag frame

Why it matters

Catching these problems early prevents extra wear on the engine, reduces vibration that can loosen fasteners, and keeps the deck airflow strong so the mower can lift and cut grass cleanly.

Last updated: January 2026

For a Craftsman gas lawn mower like model CMXGMAM2703841, the serial number usually contains a date code or production code that lets you estimate the build month and year. The exact format varies, so we focus on common patterns and the location of the ID tag.

Find the serial number tag

Check these common spots on walk-behind mower decks:

• Rear of the deck near the bagging opening
• Top of the deck near the engine mounting area
• Rear skirt area
• Side of the deck near the height adjuster

Decode common serial number date patterns

Many mowers use a 4 to 6 digit date code near the start of the serial number.

• YYMMDD: 230615 = June 15, 2023
• MMDDYY: 061523 = June 15, 2023
• YYWW (year + week): 2318 = week 18 of 2023
• WWYY (week + year): 1823 = week 18 of 2023

Quick checklist

• Copy the serial number exactly (include letters).
• Look for a valid month (01 to 12) and day (01 to 31).
• If you see a week code (01 to 53), treat it as an approximate build window.

If the serial number is not a readable date

Some tags use an internal production code. In that case, use the model number CMXGMAM2703841 plus the full serial number when ordering parts.

Serial format you see	What it gives you
YYMMDD or MMDDYY	Exact build date
YYWW or WWYY	Approximate build week
Letters + mixed digits	Production code (use for parts matching)

Why it matters

Knowing the mower’s age helps you choose compatible maintenance parts (blade, belt, air filter) and avoid fit issues.

A common tune-up item to match by model is the mtd lawn & garden equipment engine air filter 951-15245.

Last updated: January 2026