1973 Checker A11 Engine Parts

Engine:
4.1L 250cid L6

The 1973 Checker A11 has 23 engine parts with verified fitment on this page — 6 part types and 8 brands, covering the 4.1L 250cid L6 engine. Each part includes a manufacturer part number and application notes.

The engine on the 1973 Checker A11 covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. The largest groups are Connecting Rod Bearing (13 parts), Crankshaft Main Bearing (4 parts) and Conversion / Lower Gasket Set (2 parts). The other 3 part types cover the remaining 4 parts.

Camshaft Bearing

Brand Part Number Markets Notes Buy
SEALED POWER 1557M
🇺🇸 US
(Size: Standard)
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This table covers the Camshaft bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.

Connecting Rod Bearing

High Performance

Brand Part Number Markets Notes Buy
MAHLE / CLEVITE Popular CB745HN
🇺🇸 US
High PerformanceH Series (Tri-Metal)
Fitment notes — MAHLE / CLEVITE CB745HN
High PerformanceH Series (Tri-Metal)NarrowedPair
N
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MAHLE / CLEVITE CB745HXN
🇺🇸 US
High Performance.001in Extra Oil Clearance / Narrowed
Fitment notes — MAHLE / CLEVITE CB745HXN
High Performance.001in Extra Oil Clearance / NarrowedH Series (Tri-Metal)Pair
XN (Size: Standard)
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MAHLE / CLEVITE CB745HND
🇺🇸 US
High PerformanceH Series (Tri-Metal)
Fitment notes — MAHLE / CLEVITE CB745HND
High PerformanceH Series (Tri-Metal)Narrowed / Doweled Connecting RodPair
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MAHLE / CLEVITE CB745HNDC
🇺🇸 US
High PerformanceH Series (Tri-Metal)
Fitment notes — MAHLE / CLEVITE CB745HNDC
High PerformanceH Series (Tri-Metal)Narrowed / Doweled Connecting Rod / CoatedPair
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MAHLE / CLEVITE CB745HNC
🇺🇸 US
High PerformanceH Series (Tri-Metal)
Fitment notes — MAHLE / CLEVITE CB745HNC
High PerformanceH Series (Tri-Metal)Narrowed / CoatedPair
NC
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MAHLE / CLEVITE CB745HXNC
🇺🇸 US
High Performance.001in Extra Oil Clearance / Narrowed / Coated
Fitment notes — MAHLE / CLEVITE CB745HXNC
High Performance.001in Extra Oil Clearance / Narrowed / CoatedH Series (Tri-Metal)Pair
XNC (Size: Standard)
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Standard Replacement

Brand Part Number Markets Notes Buy
MAHLE / CLEVITE Popular CB745A
🇺🇸 US
A Series (Aluminum)Pair
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MAHLE / CLEVITE Popular CB745P
🇺🇸 US
P Series (Tri-Metal)Pair
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KING ENGINE BEARINGS CR624SI
🇺🇸 US
SetBimetal (Aluminum Silicon Base)
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MAHLE / CLEVITE CB745A6
🇺🇸 US
A Series (Aluminum)Set
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MAHLE / CLEVITE CB745P6
🇺🇸 US
P Series (Tri-Metal)Set
Fitment notes — MAHLE / CLEVITE CB745P6
P Series (Tri-Metal)Set
(Size: 0.010" Undersize)
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SEALED POWER 2020CP
🇺🇸 US
Overplated Copper-Lead Alloy
Fitment notes — SEALED POWER 2020CP
Overplated Copper-Lead Alloy
1.5770 IN Wall Thickness
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SEALED POWER 62020CP
🇺🇸 US
SetOverplated Copper-Lead Alloy
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This table covers the bearings in the connecting-rod big ends. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.

Connecting Rod Bolt

Brand Part Number Markets Notes Buy
ARP 1346001
🇺🇸 US 🇨🇦 CA
Small Journal 11/32"
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This table covers the Connecting Rod bolts.

Conversion / Lower Gasket Set

Brand Part Number Markets Notes Buy
FEL-PRO CS80062
🇺🇸 US
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VICTOR REINZ 081111701
🇺🇸 US
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This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.

Crankshaft Main Bearing

Brand Part Number Markets Notes Buy
KING ENGINE BEARINGS MB752SI
🇺🇸 US
SetBimetal (Aluminum Silicon Base)
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MAHLE / CLEVITE MS617A
🇺🇸 US
A Series (Aluminum)Set
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MAHLE / CLEVITE MS617P
🇺🇸 US
P Series (Tri-Metal)Set
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SEALED POWER 4124MA
🇺🇸 US
SetA-Series aluminum bearings
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This table covers the main bearings that support the crankshaft in the block. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.

Crankshaft Repair Sleeve

Brand Part Number Markets Notes Buy
NATIONAL 99176
🇺🇸 US
Front0.563 IN Width
Fitment notes — NATIONAL 99176
Front0.563 IN Width2.063 IN Outside Diameter
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WJB / INMOTION PARTS WS99176
🇺🇸 US
Installation Depth: 0.81299999999999994 InShaft Diameter Minimum (In): 1.7609999999999999 In
Fitment notes — WJB / INMOTION PARTS WS99176
Installation Depth: 0.81299999999999994 InShaft Diameter Minimum (In): 1.7609999999999999 InShaft Maximum Diameter (In): 1.7669999999999999 InFront
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This table covers the sleeves used to restore a grooved crankshaft seal surface.

Buying Engine Parts for a 1973 Checker A11

On this vehicle, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.

  • Confirm you have the 4.1L 250cid L6 engine — every part on this page is matched to it.
  • Read the notes on each row for position, trim and spec qualifiers before you order.
  • Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
  • Cross-reference the manufacturer part number against your old part or a service-manual listing.

Start with the largest groups on this page: Connecting Rod Bearing and Crankshaft Main Bearing .

Frequently Asked Questions

How many engine parts fit the 1973 Checker A11?

Our catalog currently lists 23 engine parts for the 1973 Checker A11 across 6 subcategories and 8 brands, covering the 4.1L 250cid L6 engine. Each part is matched to the engine(s) it fits.

What are the signs of engine problems on a 1973 Checker A11?

Common symptoms include oil spots under the vehicle, blue or white exhaust smoke, ticking from the valvetrain, or coolant mysteriously disappearing. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.

What should I replace at the same time?

Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.

What do the market flags (US, CA, MX) on each part mean?

They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 1973 Checker A11 was originally sold in the US, the safest choice is a part marked for the US market.

How do I make sure a part fits my 1973 Checker A11?

Every part on this page is matched to the 4.1L 250cid L6 engine. Then engine hard parts are unforgiving of guesswork — confirm the casting or engine code before ordering, because one model year can hide two different blocks. The notes column carries position and trim qualifiers where they apply.

Other Parts for the 1973 Checker A11

Engine Parts for Other Checker A11 Years

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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.