Exhaust & Emission Systems for 1981 Buick Riviera
Find parts that fit
We need more information about your vehicle to confirm fit.
1981
Buick
Riviera
Shop by Popular Categories
SPONSOREDSPONSOREDSPONSOREDSPONSORED
All
Auction
Buy It Now
2,348 Results
Fits 1978-1981 Buick Century Direct-Fit Catalytic Converter 93418 Magnaflow (Fits: 1981 Buick Riviera)
Brand New: MagnaFlow$166.00$36.00 shippingCatalytic Converter for 1981-1983 Buick Riviera (Fits: 1981 Buick Riviera)
FREE FAST SHIPPING 4.1L V6 GAS OHVBrand New: OEM$239.27Was: $251.86Free shippingCatalytic Converter for 1981-1983 Buick Riviera (Fits: 1981 Buick Riviera)
FREE FAST SHIPPING 5.0L V8 GAS OHVBrand New: OEM$239.27Was: $251.86Free shippingMagnaFlow 93418-RJ for 1981-1983 Buick Riviera 4.1L V6 GAS OHV
MESSAGE US FOR BETTER THAN ADVERTISED PRICING!!Brand New: MagnaFlow$166.00Free shippingNew Listing1970-81 All Gm Gto 442 Camaro Emission Hose Stamp Stamper 3/8 Evap Hose Oem Nos (Fits: 1981 Buick Riviera)
Brand New: Inline Tube$19.00Free shippingFor 1980-1985 Buick Riviera 5.0L V8 Secondary Air Injection Pipe Right SMP 1981 (Fits: 1981 Buick Riviera)
Brand New: Standard Motor Products$64.89Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingBuick Riviera 401 425 NailHead Silver Coated Shorty Exhaust Header Set BNH2-SEC (Fits: 1981 Buick Riviera)
Brand New$650.00$20.50 shippingOnly 2 leftO2 Oxygen Sensor UPSTREAM For Chevy Olds Le Sabre 61 Special De Ville Cutlass (Fits: 1981 Buick Riviera)
Hassle Free Returns. Free Fast Shipping.Brand New: Perfect Fit$17.31Was: $28.60Free shippingExhaust Gas Recirculation (EGR) Valve-Valve WVE 4F1027 (Fits: 1981 Buick Riviera)
Brand New: NTK$63.82Free shipping2 watchingTomco 17501 Air Injection Pipe Buick Chevrolet Oldsmobile Cadillac 1979-1990 NEW (Fits: 1981 Buick Riviera)
Brand New: Tomco$14.98Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingVAPOR CANISTER PURGE VALVE BUICK CADILLAC CHEVROLET OLDSMOBILE PONTIAC (Fits: 1981 Buick Riviera)
Brand New: Tomco$19.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
$6.99 shippingDenso Upstream Oxygen Sensor for 1979-1981 Buick Riviera 3.8L 4.1L 5.0L 5.7L sp (Fits: 1981 Buick Riviera)
No connector included - Must rewire existing connectorBrand New: DENSO$47.12Was: $94.24Free shippingMagnaFlow 93418-RI for 1981-1983 Buick Riviera 5.0L V8 GAS OHV
MESSAGE US FOR BETTER THAN ADVERTISED PRICING!!Brand New: MagnaFlow$166.00Free shippingMagnaflow Catalytic Converter for 1981-1983 Buick Riviera
MagnaFlow 93418-RJ Standard Grade Direct-Fit CatalyticBrand New: MagnaFlow$166.00Free shippingMagnaflow Catalytic Converter for 1981-1983 Buick Riviera
MagnaFlow 93418-RI Standard Grade Direct-Fit CatalyticBrand New: MagnaFlow$166.00Free shippingRemflex Exhaust Gasket 13-002; Square 1.406"x 1.125" for Buick 3.0/3.8/4.1L (Fits: 1981 Buick Riviera)
PerformanceParts - Right Parts, Right Price, Right AwayBrand New: Remflex$29.07Estimated delivery dateEst. delivery Thu, May 162 watchingDenso Upstream Oxygen Sensor for 1979-1981 Buick Riviera 3.8L 4.1L 5.0L 5.7L de (Fits: 1981 Buick Riviera)
The #1 Seller of Genuine Denso Parts on eBayBrand New: DENSO$43.39Was: $86.74Free shippingExhaust Header Pipe Tape High Heat Insulation Roll Tapes 5M*5cm Fit For Car SUV (Fits: 1981 Buick Riviera)
Brand New$9.80Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $10.89or Best OfferFree shippingNEW - Out Of Box AT104 Left Secondary Air Injection Pipe - 22534541 1A1008 AR8 (Fits: 1981 Buick Riviera)
New (Other)$19.99Free shippingNEW OEM STANDARD EXHAUST VALVE For BUICK CADILLAC CHEVROLET GMC PONTIAC EGV672 (Fits: 1981 Buick Riviera)
Brand New: Standard Motor Products$29.59Free shippingOnly 1 left!Fel-pro Performance 1401 Exhaust Manifold Gasket Buick V6 Stage II Engine (Fits: 1981 Buick Riviera)
New (Other): Fel-Pro$18.99Free shippingWalker Catalytic Converter Air Tube for 1981-1985 Buick Riviera 3.8L 4.1L no (Fits: 1981 Buick Riviera)
The #1 Seller of Genuine Walker Parts on eBayBrand New: Walker$65.98Was: $131.99Free shippingMagnaflow Catalytic Converter for 1981-1984 Buick Riviera
MagnaFlow 94015-BAV Standard Grade Universal CatalyticBrand New: MagnaFlow$126.00Free shippingMagnaFlow 94016 Universal Catalytic Converter 2.5 W/Air FED (Fits: 1981 Buick Riviera)
Brand New: MagnaFlow$126.00$17.00 shippingMagnaFlow Catalytic Converter 3322015: Universal, CARB Compliant (Fits: 1981 Buick Riviera)
Brand New: MagnaFlow$695.00Free shippingCatalytic Converter Fits: 1981-1983 Buick Riviera 5.0L V8 GAS OHV (Fits: 1981 Buick Riviera)
401032-AK | FREE SHIPPING | Can't ship CA,NY,ME, or COBrand New: OEM$201.32Free shippingQuality Rebuilt 1979-86 GM Vehicles Firebird Camaro Corvette Smog Air Pump (Fits: 1981 Buick Riviera)
Remanufactured: Auto Plus$213.75Was: $225.00or Best OfferFree shippingOnly 1 left!1981 Buick Riviera 3.8 Turbo Electric air management valve NOS
New (Other): Buick$79.99$11.70 shippingFor 1979-1985 Buick Riviera Exhaust Gasket Manifold To Front Pipe Felpro 79837SX (Fits: 1981 Buick Riviera)
Brand New: Fel-Pro$17.96Free shippingPVS48 Ported Vacuum Switch Standard Motor Products 90 Degree Rating (Fits: 1981 Buick Riviera)
Brand New: Standard Motor Products$29.95or Best Offer$5.90 shippingRemflex Exhaust Gasket 13-005; Square Port 2.063"x 1.938" for 68-81 Buick 350 (Fits: 1981 Buick Riviera)
PerformanceParts - Right Parts, Right Price, Right AwayBrand New: Remflex$39.19Estimated delivery dateEst. delivery Thu, May 16or Best OfferNGK NTK Upstream O2 Oxygen Sensor for 1979-1981 Buick Riviera 3.8L 4.1L V6 tr (Fits: 1981 Buick Riviera)
The #1 Seller of NGK Oxygen Sensors on eBayBrand New: NTK$52.17Was: $104.24Free shippingCatalytic Converter Fits: 1981-1983 Buick Riviera 4.1L V6 GAS OHV (Fits: 1981 Buick Riviera)
401032-AJ | FREE SHIPPING | Can't ship CA,NY,ME, or COBrand New: OEM$201.32Free shippingMagnaFlow 94015 Universal Catalytic Converter 2.25 W/Air FED (Fits: 1981 Buick Riviera)
Brand New: MagnaFlow$126.00$17.00 shipping13 watchingOEM GM 17062994 Acdelco 214-14 Air Bypass Diverter Valve For Various 80-83 GM (Fits: 1981 Buick Riviera)
New (Other): ACDelco$44.88Free shippingSMP PVS48 NEW Ported Vacuum Switch (Fits: 1981 Buick Riviera)
New (Other): Standard Motor Products$24.75Free shipping1979-1987 Chevrolet Buick Oldsmobile Pontiac Cadillac exhaust gaskets MS3260 (Fits: 1981 Buick Riviera)
New (Other)$13.45Was: $14.95or Best Offer$6.95 shippingBUICK CADILLAC CHEVROLET GMC PONTIAC EGR valve kit Delco GM 17067393 / EGV672 (Fits: 1981 Buick Riviera)
New (Other): Standard Motor Products$41.00Free shippingRemflex Exhaust Gasket-Buick-V8 455 STAGE II 13-015 (Fits: 1981 Buick Riviera)
FREE AND FAST SHIPPING. FREE RETURNS. 100% AUTHENTIC!Brand New: Remflex$35.82Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingDetroit 18002 Exhaust Manifold Gasket Set For 1979-89 GM 181-196-231-252 CID V6 (Fits: 1981 Buick Riviera)
New (Other): iSeal$6.95Free shippingPercy's Header Gasket 68045; XX-Carbon Rect, 1.45"x 1.15" for 75-09 Buick 3.8L (Fits: 1981 Buick Riviera)
PerformanceParts - Right Parts, Right Price, Right AwayBrand New: Percy's High Performance$19.99Estimated delivery dateEst. delivery Thu, May 16Catalytic Converter for 1981-1983 Buick Riviera Turbo 3.8L V6 GAS OHV (Fits: 1981 Buick Riviera)
50109-ES FREE SHIPPING!!! !MULITPLE LOCATIONS!Brand New: Eastern Catalytic$172.99Free shippingDorman 994-308 Vapor Canister Filter fits 1993 Cadillac Seville (Fits: 1981 Buick Riviera)
Brand New$9.36Free shippingFor 1973, 1979-1985 Buick Riviera Muffler Walker 36499TXWH 1980 1981 1982 1983 (Fits: 1981 Buick Riviera)
Brand New: Walker$57.31Free shippingTomco 19001 NEW Vapor Canister Purge Valve-FI (Fits: 1981 Buick Riviera)
New (Other): Tomco$14.30Free shippingAir Injection Check Valve Standard Motor Products AV9 (Fits: 1981 Buick Riviera)
New (Other): Standard Motor Products$9.99Free shippingCatalytic Converter-Natural AP Exhaust 642353 (Fits: 1981 Buick Riviera)
Brand New: AP Exhaust$122.49Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Catalytic Converter-Direct Fit Converter Eastern Mfg 50109 (Fits: 1981 Buick Riviera)
Brand New: EASTERN MANUFACTURING (EMI)$122.49Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Nickson 13841-1 Exhaust Pipe Flange Donut Gasket (Fits: 1981 Buick Riviera)
Brand New: Nickson Industries$11.95Free shippingCHEVROLET--GMC-TRUCKS--CADILLAC-BUICK-PONTIAC-GM--1979-95--Oxygen Sensor (Fits: 1981 Buick Riviera)
Brand New: Standard Motor Products$11.95or Best OfferFree shipping1984 Camaro Firebird Monte Carlo Regal Emissions Air Diverter Valve NEW GM (Fits: 1981 Buick Riviera)
Brand New: General Motors$52.95$12.50 shippingMagnaFlow 94016-TE for 1981-1984 Buick Riviera Turbo 3.8L V6 GAS OHV
MESSAGE US FOR BETTER THAN ADVERTISED PRICING!!Brand New: MagnaFlow$126.00Free shippingCatalytic Converter-EPA Walker 15032 (Fits: 1981 Buick Riviera)
Brand New: Walker$129.99or Best Offer$15.52 shipping