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Cadillac STS Engine Block Parts

This page brings together engine block parts for the Cadillac STS covering model years 2005–2011, including piston ring sets, connecting rod bearing sets, oil drain plugs, oil pans, and related components. Select your year above and we'll show only the engine block parts that fit your Cadillac STS. Fitment is checked against our vehicle data for every part listed.

31 - 56 of 56 results

Best Seller Free Shipping
Picture of MAHLE 42115CP Piston Ring Set GM - 4.6L V8 LD8 L37 LH2 2006-2010

MAHLE 42115CP Piston Ring Set GM - 4.6L V8 LD8 L37 LH2 2006-2010

23 reviews
Part: 42115CP
Vehicle Specific
$125.17
Ships from manufacturer
Picture for manufacturer MAHLE
Best Seller Free Shipping
Picture of MAHLE 41930CP.020 Engine Piston Ring Set Oversize - 020

MAHLE 41930CP.020 Engine Piston Ring Set Oversize - 020

23 reviews
Part: 41930CP.020
Vehicle Specific
$95.03
Ships from manufacturer
Picture for manufacturer MAHLE
Best Seller
Picture of MAHLE 51563.030 Engine Piston Ring Set Oversize - 030

MAHLE 51563.030 Engine Piston Ring Set Oversize - 030

10 reviews
Part: 51563.030
Vehicle Specific
$38.32
Ships from manufacturer
Picture for manufacturer MAHLE
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Picture of MAHLE 224-3625-0.25MM Engine Piston Set 0.25mm Oversize Representative Photo, actual item may vary

MAHLE 224-3625-0.25MM Engine Piston Set 0.25mm Oversize

77 reviews
Part: 224-3625-0.25MM
Vehicle Specific
$328.99
Ships from manufacturer
Picture for manufacturer MAHLE
Free Shipping
Picture of MAHLE 224-3625-0.75MM Engine Piston Set with Rings, Pin, and Clips Representative Photo, actual item may vary

MAHLE 224-3625-0.75MM Engine Piston Set with Rings, Pin, and Clips

15 reviews
Part: 224-3625-0.75MM
Vehicle Specific
$328.99
Ships from manufacturer
Picture for manufacturer MAHLE
Free Shipping
Picture of MAHLE 224-3625-0.50MM Engine Piston Set 0.50mm Oversize Representative Photo, actual item may vary

MAHLE 224-3625-0.50MM Engine Piston Set 0.50mm Oversize

21 reviews
Part: 224-3625-0.50MM
Vehicle Specific
$348.00
Ships from manufacturer
Picture for manufacturer MAHLE
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Picture of MAHLE S40963 Sleeve Assembly Piston Ring Set for Caterpillar 3300 3304 3306

MAHLE S40963 Sleeve Assembly Piston Ring Set for Caterpillar 3300 3304 3306

22 reviews
Part: S40963
Vehicle Specific
$65.41
Ships from manufacturer
Picture for manufacturer MAHLE
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Picture of MAHLE 41930CP Engine Piston Ring - Set

MAHLE 41930CP Engine Piston Ring - Set

68 reviews
Part: 41930CP
Vehicle Specific
$86.19
Ships from manufacturer
Picture for manufacturer MAHLE
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Picture of MAHLE 50843CP020 Engine Piston Ring Set

MAHLE 50843CP020 Engine Piston Ring Set

61 reviews
Part: 50843CP020
Vehicle Specific
$71.60
Ships from manufacturer
Picture for manufacturer MAHLE
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Picture of MAHLE 51137CP-020 Engine Piston Ring Set

MAHLE 51137CP-020 Engine Piston Ring Set

27 reviews
Part: 51137CP-020
Vehicle Specific
$85.80
Ships from manufacturer
Picture for manufacturer MAHLE
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Picture of King Engine Bearings CR6826XP.026 Connecting Rod Bearing Set GM Holden 3.6 LF4 LFX LGX pMax Black Race

King Engine Bearings CR6826XP.026 Connecting Rod Bearing Set GM Holden 3.6 LF4 LFX LGX pMax Black Race

30 reviews
Part: CR6826XP.026
Vehicle Specific
$221.40
Ships from manufacturer
Picture for manufacturer King Engine Bearings
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Picture of MAHLE 42115CP.010 Premium Engine Piston Ring Set Over - 0.010

MAHLE 42115CP.010 Premium Engine Piston Ring Set Over - 0.010

48 reviews
Part: 42115CP.010
Vehicle Specific
$120.33
Ships from manufacturer
Picture for manufacturer MAHLE
Free Shipping
Picture of MAHLE 42076CP.030 Engine Piston Ring Set Oversize - 0.030 Representative Photo, actual item may vary

MAHLE 42076CP.030 Engine Piston Ring Set Oversize - 0.030

21 reviews
Part: 42076CP.030
Vehicle Specific
$62.27
Ships from manufacturer
Picture for manufacturer MAHLE
Free Shipping
Picture of MAHLE 42115CP.020 Engine Piston Ring Set Oversize - 0.020

MAHLE 42115CP.020 Engine Piston Ring Set Oversize - 0.020

27 reviews
Part: 42115CP.020
Vehicle Specific
$117.42
Ships from manufacturer
Picture for manufacturer MAHLE
Picture of MAHLE 51245.030 Standard Engine Piston Ring Set - 0.030 Over Bore

MAHLE 51245.030 Standard Engine Piston Ring Set - 0.030 Over Bore

54 reviews
Part: 51245.030
Vehicle Specific
$31.06
Ships from manufacturer
Picture for manufacturer MAHLE
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Picture of MAHLE 50843CP.030 Engine Piston Ring Set Big Block Ford 429/460 +.030 Over Bore

MAHLE 50843CP.030 Engine Piston Ring Set Big Block Ford 429/460 +.030 Over Bore

35 reviews
Part: 50843CP.030
Vehicle Specific
$87.21
Ships from manufacturer
Picture for manufacturer MAHLE
Free Shipping
Picture of MAHLE 42280CP.040 Engine Piston Ring Set Oversize - 0.040 Representative Photo, actual item may vary

MAHLE 42280CP.040 Engine Piston Ring Set Oversize - 0.040

57 reviews
Part: 42280CP.040
Vehicle Specific
$159.78
Ships from manufacturer
Picture for manufacturer MAHLE
Free Shipping
Picture of MAHLE 42280CP.030 Engine Piston Ring Set Oversize - 0.030 Representative Photo, actual item may vary

MAHLE 42280CP.030 Engine Piston Ring Set Oversize - 0.030

59 reviews
Part: 42280CP.030
Vehicle Specific
$159.68
Ships from manufacturer
Picture for manufacturer MAHLE
Free Shipping
Picture of MAHLE 42280CP.020 Engine Piston Ring Set Oversize - 0.020 Representative Photo, actual item may vary

MAHLE 42280CP.020 Engine Piston Ring Set Oversize - 0.020

19 reviews
Part: 42280CP.020
Vehicle Specific
$159.68
Ships from manufacturer
Picture for manufacturer MAHLE
Free Shipping
Picture of MAHLE 42149CP.030 Original Premium Plasma-Moly Piston Ring Set +0.030" Oversize

MAHLE 42149CP.030 Original Premium Plasma-Moly Piston Ring Set +0.030" Oversize

61 reviews
Part: 42149CP.030
Vehicle Specific
$177.72
Ships from manufacturer
Picture for manufacturer MAHLE
Free Shipping
Picture of MAHLE 42115CP.040 Engine Piston Ring Set Oversize - 040

MAHLE 42115CP.040 Engine Piston Ring Set Oversize - 040

76 reviews
Part: 42115CP.040
Vehicle Specific
$120.99
Ships from manufacturer
Picture for manufacturer MAHLE
Picture of MAHLE 51097CP Original Standard Engine Piston Ring Set - Cast Iron, 3.780 in. Bore

MAHLE 51097CP Original Standard Engine Piston Ring Set - Cast Iron, 3.780 in. Bore

11 reviews
Part: 51097CP
Vehicle Specific
$33.61
Ships from manufacturer
Picture for manufacturer MAHLE
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Picture of MAHLE 224-3625WR-0.75MM Engine Piston Set 0.75mm Oversize Representative Photo, actual item may vary

MAHLE 224-3625WR-0.75MM Engine Piston Set 0.75mm Oversize

60 reviews
Part: 224-3625WR-0.75MM
Vehicle Specific
$461.71
Ships from manufacturer
Picture for manufacturer MAHLE
Free Shipping
Picture of King Engine Bearings CR6826XP Connecting Rod Bearing Set GM Holden 3.6 LF4 LFX LGX pMax Black

King Engine Bearings CR6826XP Connecting Rod Bearing Set GM Holden 3.6 LF4 LFX LGX pMax Black

55 reviews
Part: CR6826XP
Vehicle Specific
$221.40
Ships from manufacturer
Picture for manufacturer King Engine Bearings
Free Shipping
Picture of King Engine Bearings CR6826MC0.5 CONNECTING ROD BEARING SET Representative Photo, actual item may vary

King Engine Bearings CR6826MC0.5 CONNECTING ROD BEARING SET

38 reviews
Part: CR6826MC0.5
$99.23
Ships from manufacturer
Picture for manufacturer King Engine Bearings
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Picture of King Engine Bearings CR6826MC0.25 Connecting Rod Bearing Set 0.25mm Oversize

King Engine Bearings CR6826MC0.25 Connecting Rod Bearing Set 0.25mm Oversize

14 reviews
Part: CR6826MC0.25
$99.23
Ships from manufacturer
Picture for manufacturer King Engine Bearings

What's here for your Cadillac STS

  • Engine piston ring sets and individual piston rings
  • Engine connecting rod bearing sets
  • Engine piston sets and individual pistons
  • Engine oil drain plugs
  • Engine oil filter covers
  • Engine oil pans

The widest selection here comes from MAHLE, Dorman, King Engine Bearings, and Hastings, covering OE replacement and kit configurations across gasket, rubber, and black-finish parts. Other categories Cadillac STS owners shop for: Cadillac STS Shocks and Struts, Cadillac STS Valve Train Parts and Cadillac STS Tires, or browse all Cadillac STS parts and accessories.